Social:List of coupled cousins

From HandWiki

This is a list of prominent individuals who have been romantically or maritally coupled with a cousin.

Notable people

John Adams
John Adams II
Mark Antony
J.S. Bach
Boswell
Gide
Grieg
Hussein
Jefferson
Lewis
Li
Malthus
Morse
Mościcki
Prus
Rachmaninoff
Rizal
Roosevelt
Stravinsky
Van Buren
Wells
A
  • Abdullah ibn Abd al-Muttalib (c. 546 - 570/571) and his third cousin once removed, Aminah (549-577/578)
  • John Adams (1735-1826) and his third cousin, Abigail Smith (1744-1818)[1]
  • John Adams II (1803-1834) and his first cousin, Mary Catherine Hellen
  • Mary Louisa Adams, granddaughter of John Quincy Adams by his second son John Adams II, and her second cousin William Clarkson Johnson, a great-grandson of John Quincy Adams' father John Adams by his second son Charles Adams
  • Mary Gardiner Adams, granddaughter of John Quincy Adams by his third son Charles Francis Adams Sr., and her distant cousin Henry Parker Quincy
  • Ali and his first cousin once removed, Fatimah
  • Mark Antony and his first cousin, Antonia Hybrida Minor, and later his fourth cousin once removed, Octavia the Younger (69-11 BCE)
B
  • Johann Sebastian Bach and his second cousin, Maria Barbara Bach[2]
  • Josiah Bartlett, second signer of the United States Declaration of Independence, and his first cousin, Mary Bartlett[3]
  • Ilsley Boone and his first cousin, Ella Murray "Mae" Boone, founder of the American Sunbathing Association, which today is known as the American Association for Nude Recreation
  • James Boswell (1740–95) (biographer of Samuel Johnson) and Boswell's cousin Peggie Montgomerie married in 1769.[4]
  • Christine Boutin and her first cousin, Louis Boutin[5]
  • Wernher von Braun and his first cousin, Maria Luise von Quistorp[6]
  • Marcus Junius Brutus (assassin of Julius Caesar) and his half-first cousin, Porcia
  • Charles Bulfinch and his first cousin, Hannah Apthorp[7]
C
  • Quintus Caecilius Metellus Celer and his first cousin, Clodia Pulchra
  • John C. Calhoun, seventh Vice President of the United States, and his first cousin once removed, Floride Calhoun[8]
  • Jeanne Calment, the oldest person whose age was verified by official documents, and her second cousin, Fernand Calment[9]
  • Benedict Swingate Calvert, third Proprietor Governor of Maryland and father of Eleanor Calvert, and his first cousin once removed, Elizabeth Calvert
  • Charles Carroll of Carrollton, the only Roman Catholic signer of the United States Declaration of Independence, and his second cousin, Mary Darnall[10]
  • Publius Cornelius Scipio Nasica Corculum and his second cousin, Cornelia Africana Major
D
  • Charles Darwin and his first cousin, Emma Wedgwood[11] Their respective siblings Caroline Darwin and Josiah Wedgwood III also married. In addition, their grandparents, Sarah Wedgwood and Josiah Wedgwood, were third cousins.[12]
  • Alfred I. du Pont, great-grandson of DuPont founder and his cousin-by-marriage, Bessie Gardner, as well as his second cousin, Alicia Bradford Maddox[13]
  • Pierre S. du Pont married his first cousin, Alice Belin, in 1915
  • Andrew Jackson Donelson and his first cousin, Emily Donelson; later, his first cousin, Elizabeth Martin Randolph
E
  • Albert Einstein and his first cousin (through his mother) and second cousin (through his father), Elsa Löwenthal née Einstein[14]
  • William Greenleaf Eliot, founder of Washington University in St. Louis (and grandfather of poet T. S. Eliot), married his first cousin.
  • William Ellery, signer of the Declaration of Independence, and his first cousin once removed, Abigail Cary[15]
  • William Crowninshield Endicott, former US Secretary of War, and his first cousin, Ellen Peabody[16]
  • John Wayles Eppes and his half-first cousin, Mary Jefferson
F
  • James Fenner and his first cousin once removed, Sarah Whipple Jenckes.
  • John F. Fitzgerald, former mayor of Boston and grandfather of John F. Kennedy, and his second cousin Mary Josephine Hannon[17]
  • Vivian Fuchs, British explorer, and his cousin Joyce Connell[18]
G
  • Carlo Gambino, a mob boss, and his first cousin, Catherine Castellano[19]
  • Harry Augustus Garfield and his second cousin, Belle Hartford Mason
  • Buddha Gautama and first cousin Yaśodhara
  • André Gide, Nobel Prize-winning French author, and his cousin Madeleine Rondeaux[20]
  • Charlotte Perkins Gilman, American author, and her first cousin, George Houghton Gilman[21]
  • Carl Giles, cartoonist, and his cousin, Joan Giles
  • Rudy Giuliani, mayor of New York, 1994–2001, and his second cousin, Regina Peruggi[22]
  • A. D. Gordon and his cousin , Faige Tartakov.
  • Laurent Gouvion, French general and later Marshal of the Empire, and his first cousin, Anne Gouvion
  • Samuel L. Gouverneur and his first cousin, Maria Hester Monroe
  • Duncan Grant, Scottish painter, who was in a relationship with his male cousin, the English writer Lytton Strachey.[23]
  • Bibb Graves, and his first cousin, Dixie Bibb
  • Edvard Grieg, Norwegian composer, and his first cousin, Nina Hagerup[24]
H
  • Monty Hall and his distant cousin Marilyn Plottel
  • Benjamin Harrison V, American revolutionary leader, and his second cousin, Elizabeth Bassett[25]
  • Anna Tuthill Harrison, daughter of William Henry Harrison, and her first cousin once removed, William Henry Harrison Taylor
  • Elizabeth Bassett Harrison, daughter of William Henry Harrison, and her first cousin, John Cleves Short[26]
  • Friedrich Hayek, Austrian-British economist, and his cousin Helene Bitterlich<[27]
  • Alexander Herzen, Russian writer and political activist, and his cousin Natalya Zakharina[28]
  • Oliver Wendell Holmes, Sr., the poet, and his second cousin, Amelia Lee Jackson[29]
  • Stephen Hopkins, signer of the Declaration of Independence, and his second cousin, Sarah Scott[15]
  • Saddam Hussein and his first cousin Sajida Talfah
I
  • Isaac was married to his first cousin once removed, Rebecca
J
  • Jacob was married to two of his first cousins, sisters Leah and Rachel
  • Ja'far al-Sadiq and his first cousin, Fatima bint al-Hussain'l-Athram bin al-Hasan bin Ali
  • Miss Velma Jaggers and her first cousin Orval Lee Jaggers.
  • Jesse James and his first cousin, Zerelda "Zee" Mimms[30]
  • Thomas Jefferson and his third cousin, Martha Wayles[31]
  • Jón Sigurðsson, leader of the 19th-century Icelandic independence movement, and his first cousin, Ingibjörg Einarsdóttir
K
  • Naoto Kan, former Prime Minister of Japan, and his first cousin, Nobuko[32]
  • John Kerry, U.S. Secretary of State, was married to (then divorced from) his distant cousin Julia Thorne.
  • Arthur Henry King and his second cousin Patricia[33]
  • Nobusuke Kishi, former Japanese statesman, and his first cousin, Yoshiko Kishi[34]
  • Kujō Michiie and his first cousin, Saionji Rinshi
  • Kujō Yoritsune and his second cousin once removed, Minamoto no Yoshiko
L
  • Mark Labbett and his second cousin, Katie Labbett
  • David Lean, British film director, and his first cousin, Isabel Lean (his first wife)[35]
  • Charles Lee and his second cousin, Anne Lee
  • Edmund Jennings Lee I and his second cousin, Sarah Lee
  • Robert E. Lee and his third cousin, Mary Anna Custis
  • Charles Lilburn Lewis and his first cousin, Lucy Jefferson Lewis
  • Fielding Lewis and his second cousin, Catharine Washington, and later his second cousin, Betty Washington, the sister of George Washington
  • Jerry Lee Lewis, rock and roll musician, and his first cousin once removed, Myra Gale Brown[36][37]
  • Li Ka-shing, founder of Cheung Kong Holdings, married his first cousin Chong Yuet Ming, who died in 1990
  • Edward Philip Livingston and his third cousin, Elizabeth Stevens Livingston
  • John Henry Livingston and his second cousin, Sarah Livingston
  • Abbott Lawrence Lowell, president of Harvard University, and his distant cousin, Anna Parker Lowell[38]
  • John Amory Lowell and his first cousin, Susan Cabot Lowell
M
  • John A. Macdonald, first prime minister of Canada, and his first cousin, Isabella Clark[39]
  • Rob Roy MacGregor and his cousin Mary Helen MacGregor of Comar, who married in January 1693
  • Gerardo Machado y Morales, fifth president of Cuba, and his first cousin, Elvira Machado Nodal[40]
  • Maeda Toshiie, Japanese Daimyō in the 15th century, and his cousin, Matsu.[citation needed]
  • Thomas Malthus, British academic, and his first cousin once removed, Harriet Eckersall[41]
  • Delarivier Manley, British playwright and political satirist, and her first cousin John Manley[42]
  • Mao Zedong, founder of the People's Republic of China, and his second cousin Luo Yixiu[lower-alpha 1]
  • Francis Marion, American revolutionary leader also called the "Swamp Fox," and his first cousin, Mary Esther Videau[44]
  • Humphrey Marshall and his first cousin, Anna Maria ("Mary") Marshall.
  • Abraham Maslow, father of humanistic psychology, and his first cousin, Bertha Goodman[45]
  • Matthew Fontaine Maury married his first cousin, Ann Hull Herndon, sister of Captain William Lewis Herndon, who died on his ship SS Central America[citation needed]
  • Hipólito Mejía, Dominican Republic president, and his third cousin Rosa Gómez[46]
  • Darius Milhaud, French composer, and his first cousin Madeleine Milhaud[47]
  • Christopher Robin Milne, son of author A. A. Milne who was the model for the character Christopher Robin of the Winnie-the-Pooh books, and his first cousin Lesley Sélincourt
  • Marina Mora, Peruvian beauty queen and former Miss Peru, and her first cousin Gustavo Mora[48]
  • Mōri Terumoto, Japanese Daimyo in late 15th and early 16th century, and his cousin (first wife), Minami no Kata.[citation needed]
  • Samuel Eliot Morison, historian, and his first cousin once removed, Agnes Priscilla Randolph Barton[citation needed]
  • Samuel F. B. Morse, inventor of the Morse code, and his first cousin once removed, Sarah Elizabeth Griswold, his second wife[49]
  • Ignacy Mościcki, Polish chemist and president and his first cousin, Michalina Czyżewska
  • Muhammad, Islamic prophet and his first cousin, Zaynab bint Jahsh
  • Frederick Augustus Muhlenberg and his second cousin, Catherine Anne Muhlenberg. Their son William Frederick Muhlenburg married his second cousin, Henrietta Augusta Muhlenberg.
N
  • Naoe Kanetsugu, Japanese samurai and Karō of the Uesugi clan in 15th and 16th century, and his cousin, Osen.[citation needed]
  • John Neal, an eccentric and influential American writer, critic, and activist, and his first cousin, Rachel Hall.[50]
O
  • Ōtomo no Yakamochi, Japanese statesman and waka poet in the Nara period, and his cousin, Sakanoue no Ōiratsume.[citation needed]
P
  • Karen Pini and her second cousin, Garry Carpenter
  • Edgar Allan Poe and his first cousin, Virginia Clemm[51]
  • Peter A. Porter and his first cousin, Mary Cabell Breckinridge
  • Bolesław Prus, Polish novelist, and his cousin Oktawia Trembińska[52]
R
  • Sergei Rachmaninoff, composer, and his cousin, Natalia Satina[53]
  • Thomas Mann Randolph Jr. and his double third cousin, Martha Jefferson Randolph
  • Satyajit Ray, Indian film-maker, and his first cousin, Bijoya Ray[54]
  • José Rizal, Philippine national hero who had a relationship with his second cousin Leonor Rivera
  • Theodore Douglas Robinson and his sixth cousin Helen Rebecca Roosevelt
  • Franklin D. Roosevelt, US president, and his fifth cousin once removed, Anna Eleanor Roosevelt[55]
  • James Roosevelt I and his second cousin, Rebecca Brien Howland, and later his sixth cousin, Sara Delano
  • Philip Roosevelt and his second cousin Jean S. Roosevelt
  • Alphonse James de Rothschild and his first cousin once removed, Leonora de Rothschild
  • Edmond James de Rothschild and his first cousin once removed, Adelheid von Rothschild
  • Ferdinand de Rothschild and his second cousin, Evelina de Rothschild
  • James Nathan de Rothschild and his second cousin, Laura von Rothschild
  • Lionel de Rothschild and his first cousin, Charlotte von Rothschild
  • Nathaniel de Rothschild and his first cousin, Charlotte de Rothschild
  • Salomon James de Rothschild and his first cousin once removed, Adèle von Rothschild
  • Adolph Carl von Rothschild and his first cousin once removed, Julie von Rothschild
  • Albert Salomon Anselm von Rothschild and his second cousin, Bettina Caroline de Rothschild
  • Anselm Salomon von Rothschild and his first cousin, Charlotte Nathan Rothschild
  • Mayer Carl von Rothschild and his first cousin, Louise von Rothschild
  • Wilhelm Carl von Rothschild and his first cousin once removed, Mathilde Hannah von Rothschild
  • Hassan Rouhani, 7th president of Iran and his first cousin Sahebeh Rouhani née Arabi
S
  • Eisaku Satō, prime minister of Japan, and his cousin, Hiroko Sato[56]
  • Greta Scacchi, actress of Presumed Innocent, and her first cousin, Carlo Mantegazza[57]
  • Lucius Scribonius Libo and his half-first cousin twice removed, Cornelia Pompeia
  • Robert Sargent Shriver and his second cousin, Hilda Shriver, parents of Sargent Shriver
  • Igor Stravinsky, composer, and his first cousin, Katerina Nossenko[58]
  • Werner von Siemens, founder of Siemens AG, and his third cousin once removed, Antonie Siemens
T
  • Alphonso Taft and his fourth cousin twice removed, Louisa Maria "Louise" Torrey
  • Jacob Taft, the grandfather of Rhode Island governor Royal C. Taft, married his first cousin once removed, Mary Taft. His brother Eastman Taft, grandfather of Ezra T. Benson, married his second cousin, Mary's niece Hannah Taft.
  • Toyotomi Hideyori, Japanese Daimyō, a son of Toyotomi Hideyoshi, and his cousin Senhime[59]
  • John Alexander Tyler and his third cousin, Sarah Griswold Gardiner
U
  • Uthman and his second cousin, Ruqayyah bint Muhammad, and later his second cousin, Umm Kulthum bint Muhammad
V
  • Marcus Valerius Messala Barbatus and his half-first cousin, Domitia Lepida the Younger
  • Mario Vargas Llosa, Peruvian writer and 2010 Nobel laureate, and his first cousin Patricia Llosa[60]
  • Martin Van Buren, US president, and his first cousin once removed, Hannah Hoes[61]
  • Stephen Van Rensselaer and his third cousin, Margarita "Peggy" Schuyler
W
  • Gordon Welchman, Bletchley Park mathematician-cryptologist, and his cousin, Elisabeth Huber (his third wife)[62]
  • H. G. Wells, author, and his first cousin, Isabel Mary Wells (his first wife)[63]
  • Zack Wheat, baseball player, and his second cousin, Daisy Forsman[64]
  • William Whipple, signer of the Declaration of Independence, and his first cousin, Catherine Moffatt[65]
  • Dennis Wilson and his first cousin once removed, Shawn Marie Love
  • John A. Winston and his first cousin, Mary Agness Jones
  • Henry Winthrop and his first cousin Elizabeth Fones
Y
  • Annie Henrietta Yule, breeder of Arab horses at Hanstead Stud in England, and her cousin Sir David Yule, 1st Baronet, Scottish business based in British India[66]

Royalty in Europe

The royal couples listed below are but a sampling of the innumerable marriages that have occurred between cousins, of varying degrees, from royal or noble houses. Such royal intermarriages have been common, as it has generally been deemed inappropriate for royals to marry commoners.

Person Spouse Married Year Relationship Common ancestor(s)
Prince Adalbert of Bavaria Infanta Amalia of Spain 25 August 1856 1856 Fifth cousins Philip William, Elector Palatine and Landgravine Elisabeth Amalie of Hesse-Darmstadt
Prince Adalbert of Bavaria Countess Augusta of Seefried and Buttenheim
(daughter of Princess Elisabeth Marie of Bavaria)
12 June 1919 1919 Second cousins once removed Ludwig I of Bavaria and Therese of Saxe-Hildburghausen
Prince Adalbert of Prussia Princess Adelaide of Saxe-Meiningen 3 August 1914 1914 Second cousins Ernst I, Prince of Hohenlohe-Langenburg and Princess Feodora of Leiningen
Adolf, Duke of Holstein-Gottorp Christine of Hesse 17 December 1564 1564 Second cousins once removed Eric II, Duke of Pomerania and Sophie of Pomerania, Duchess of Pomerania
Adolf I, Prince of Schaumburg-Lippe Princess Hermine of Waldeck and Pyrmont 25 October 1844 1844 First cousins George I, Prince of Waldeck and Pyrmont and Princess Augusta of Schwarzburg-Sondershausen
Adolf Frederick, King of Sweden Louisa Ulrika of Prussia 29 August 1744 1744 Third cousins George, Duke of Brunswick-Lüneburg and Anne Eleonore of Hesse-Darmstadt
Adolf Frederick I, Duke of Mecklenburg Anna Maria of Ostfriesland
(first wife)
4 September 1622 1622 First cousins Adolf, Duke of Holstein-Gottorp and Christine of Hesse
Adolf Frederick I, Duke of Mecklenburg Duchess Marie Katharina of Brunswick-Dannenberg
(second wife)
(daughter of Julius Ernst, Duke of Brunswick-Dannenberg)
1635 1635 Third cousins once removed Magnus II, Duke of Mecklenburg and Sophie of Pomerania, Duchess of Mecklenburg
Duke Adolf Friedrich of Mecklenburg Princess Viktoria Feodora of Reuss-Schleiz
(daughter of Heinrich XXVII, Prince Reuss Younger Line)
24 April 1917 1917 Fourth cousins Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Adolph, Landgrave of Hesse-Philippsthal-Barchfeld Princess Louise of Saxe-Meiningen 18 October 1781 1781 First cousins once removed Philip, Landgrave of Hesse-Philippsthal and Catherine von Solms-Laubach
Prince Adolph of Schwarzburg-Rudolstadt
(father of Princess Marie of Schwarzburg-Rudolstadt)
Princess Mathilde of Schonburg-Waldenburg 27 September 1847 1847 Double first cousins once removed Frederick Charles, Prince of Schwarzburg-Rudolstadt and Princess Friederike of Schwarzburg-Rudolstadt; Frederick V, Landgrave of Hesse-Homburg and Princess Caroline of Hesse-Darmstadt
Adolphe, Grand Duke of Luxembourg Grand Duchess Elizabeth Mikhailovna of Russia
(first wife)
31 January 1844 1844 Second cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Adolphe, Grand Duke of Luxembourg Princess Adelheid-Marie of Anhalt-Dessau
(second wife)
23 April 1851 1851 Fourth cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Prince Adolphus, Duke of Cambridge Princess Augusta of Hesse-Kassel 1 June 1818 1818 Second cousins George II of Great Britain and Caroline of Ansbach
Adolphus Frederick II, Duke of Mecklenburg-Strelitz Princess Maria of Mecklenburg-Güstrow
(daughter of Gustav Adolph, Duke of Mecklenburg-Güstrow)
1684 1684 First cousins once removed Johann VII, Duke of Mecklenburg and Sophia of Holstein-Gottorp
Adolphus Frederick III, Duke of Mecklenburg-Strelitz Princess Dorothea of Schleswig-Holstein-Sonderburg-Plön
(daughter of John Adolphus, Duke of Schleswig-Holstein-Sonderburg-Plön)
16 April 1709 1709 Third cousins Adolf, Duke of Holstein-Gottorp and Christine of Hesse
Adolphus Frederick V, Grand Duke of Mecklenburg-Strelitz Princess Elisabeth of Anhalt April 17, 1877 1877 Second cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Afonso, Prince of Portugal Isabella of Aragon, Queen of Portugal 1490 1490 Second cousins John, Constable of Portugal and Isabel of Barcelos
Afonso II of Portugal Urraca of Castile, Queen of Portugal 1206 1206 Second cousins once removed Ramon Berenguer III, Count of Barcelona and Douce I, Countess of Provence
Afonso III of Portugal Matilda II, Countess of Boulogne
(first wife)
1239 1239 Third cousins once removed Fulk, King of Jerusalem
Afonso III of Portugal Beatrice of Castile
(second wife)
1253 1253 First cousins twice removed Alfonso VIII of Castile and Eleanor of England, Queen of Castile
Afonso IV of Portugal Beatrice of Castile 12 September 1309 1309 Half-first cousins once removed Alfonso X of Castile
Afonso V of Portugal Isabel of Coimbra
(first wife)
6 May 1447 1447 First cousins John I of Portugal and Philippa of Lancaster
Afonso V of Portugal Joanna la Beltraneja
(second wife)
10 May 1475 1475 First cousins once removed[67] Ferdinand I of Aragon and Eleanor of Alburquerque
Afonso of Portugal, Lord of Portalegre Violante Manuel 1287 1287 First cousins once removed Ferdinand III of Castile
Agrippina the Elder Germanicus between 5 BC and 1 BC 1 BC Second cousins Gaius Octavius and Atia Balba Caesonia
Agrippina the Younger Gnaeus Domitius Ahenobarbus
(first husband)
28 28 First cousins once removed Mark Antony and Octavia Minor
Prince Aimone, Duke of Apulia Princess Olga of Greece 16 September 2008 2008 Second cousins (through Prince Jean, Duke of Guise); second cousins once removed (through George I of Greece) Prince Jean, Duke of Guise and Princess Isabelle of Orléans; George I of Greece and Olga Constantinovna of Russia
Albert of Saxony Carola of Vasa 18 June 1853 1853 Second cousins Charles Louis, Hereditary Prince of Baden and Princess Amalie of Hesse-Darmstadt
Prince Albert of Saxe-Altenburg Princess Marie of Prussia
(first wife)
6 May 1885 1885 Second cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Prince Albert of Saxe-Altenburg Duchess Helene of Mecklenburg-Strelitz
(second wife)
13 December 1891 1891 Second cousins Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Prince Albert of Prussia Princess Marianne of the Netherlands 14 September 1830 1830 First cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Prince Albert of Prussia Princess Marie of Saxe-Altenburg 9 April 1873 1873 Second cousins once removed Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Albert, 8th Prince of Thurn and Taxis Archduchess Margarethe Klementine of Austria 15 July 1890 1890 Fourth cousins Charles Alexander, Duke of Württemberg and Princess Marie Auguste of Thurn and Taxis
Albert I of Belgium Elisabeth of Bavaria, Queen of Belgium 2 October 1900 1900 Third cousins Charles Louis, Hereditary Prince of Baden and Princess Amalie of Hesse-Darmstadt
Albert V, Duke of Bavaria Archduchess Anna of Austria July 4, 1546 1546 Second cousins once removed Frederick III, Holy Roman Emperor and Eleanor of Portugal, Holy Roman Empress
Albert VII, Archduke of Austria Isabella Clara Eugenia 18 April 1599 1599 First cousins Charles V, Holy Roman Emperor and Isabella of Portugal
Albert, Duke of Prussia Dorothea of Denmark, Duchess of Prussia
(first wife)
12 February 1526 1526 Second cousins once removed; third cousins Frederick I, Elector of Brandenburg and Elisabeth of Bavaria, Electress of Brandenburg; Frederick I, Elector of Saxony and Catherine of Brunswick-Lüneburg
Albert, Duke of Prussia Anna Marie of Brunswick-Lüneburg
(second wife)
1550 1550 Half-first cousins twice removed Albrecht III Achilles, Elector of Brandenburg
Albert Casimir, Duke of Teschen Maria Christina, Duchess of Teschen 8 April 1766 1766 Second cousins Leopold I, Holy Roman Emperor and Eleonor Magdalene of Neuburg
Albrecht, Duke of Bavaria Countess Maria Draskovich of Trakostjan 3 September 1930 1930 Fourth cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Albrecht, Duke of Württemberg Archduchess Margarete Sophie of Austria 24 January 1893 1893 Half-second cousins once removed Maximilian I Joseph of Bavaria
Alexander I of Scotland Sybilla of Normandy 1107 1107 Sixth cousins Hugh II, Count of Nordgau
Alexander I of Russia Louise of Baden 28 September 1793 1793 Fourth cousins Albert II, Margrave of Brandenburg-Ansbach and Sophie Margarete of Oettingen-Oettingen
Alexander II of Russia Marie of Hesse and by Rhine 16 April 1841 1841 Double second cousins once removed Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken; Prince George William of Hesse-Darmstadt and Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg
Alexander II of Scotland Joan of England, Queen of Scotland
(first wife)
21 June 1221 1221 Half-third cousins (through Henry I of England); Third cousins once removed (through Malcolm III of Scotland) Henry I of England; Malcolm III of Scotland and Saint Margaret of Scotland
Alexander II of Scotland Marie de Coucy
(second wife)
15 May 1239 1239 Third cousins once removed Hugh, Count of Vermandois and Adelaide, Countess of Vermandois
Alexander III of Russia Dagmar of Denmark 9 November 1866 1866 Fourth cousins[68]; Double fourth cousins once removed[69] Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg and Katharina Polyxena of Solms-Rödelheim; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel and Princess Antoinette of Brunswick-Wolfenbüttel
Alexander III of Scotland Margaret of England
(first wife)
26 December 1251 1251 Half-fourth cousins (through Henry I of England); Fourth cousins once removed (through Malcolm III of Scotland) Henry I of England; Malcolm III of Scotland and Saint Margaret of Scotland
Alexander III of Scotland Yolande of Dreux, Queen of Scotland
(second wife)
15 October 1285 1285 Fourth cousins once removed Robert I, Count of Dreux
Prince Alexander of Teck Princess Alice of Albany St George's Chapel, Windsor, 10 February 1904 1904 Second cousins once removed George III of the United Kingdom and Charlotte of Mecklenburg-Strelitz
Alexander, Crown Prince of Yugoslavia Princess Maria da Glória, Duchess of Segorbe 1 July 1972 1972 Fifth cousins once removed Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf
Alexander, Margrave of Meissen Princess Gisela of Bavaria 3 April 1987 1987 Half-fourth cousins Leopold II, Grand Duke of Tuscany
Duke Alexander of Württemberg Princess Marie of Orléans 18 October 1837 1837 Fourth cousins Louis Rudolph, Duke of Brunswick-Lüneburg and Princess Christine Louise of Oettingen-Oettingen
Alexander Farnese, Duke of Parma Infanta Maria of Guimarães November 11, 1565 1565 Second cousins once removed Ferdinand II of Aragon and Isabella I of Castile
Alexander Karl, Duke of Anhalt-Bernburg Princess Friederike of Schleswig-Holstein-Sonderburg-Glücksburg 30 October 1834 1834 Second cousins Frederick II, Landgrave of Hesse-Kassel and Princess Mary of Great Britain
Grand Duke Alexander Mikhailovich of Russia Grand Duchess Xenia Alexandrovna of Russia 6 August 1894 1894 First cousins once removed Nicholas I of Russia and Charlotte of Prussia
Duke Alexander Petrovich of Oldenburg Princess Eugenia Maximilianovna of Leuchtenberg 19 January 1868 1868 Second cousins Paul I of Russia and Sophie Dorothea of Württemberg
Alexis, Landgrave of Hesse-Philippsthal-Barchfeld Princess Louise of Prussia 27 June 1854 1854 Half-fifth cousins twice removed Augustus the Younger, Duke of Brunswick-Lüneburg
Alexis, Prince of Bentheim and Steinfurt Princess Pauline of Waldeck and Pyrmont 7 May 1881 1881 Fifth cousins thrice removed Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Prince Alfons of Bavaria Louise d'Orléans 15 April 1891 1891 Half-second cousins Maximilian I Joseph of Bavaria
Alfonso the Battler Urraca of León 1109 1109 Half-second cousins Sancho III of Pamplona
Alfonso II d'Este, Duke of Ferrara Archduchess Barbara of Austria
(second wife)
5 December 1565 1565 Third cousins Gaston IV, Count of Foix and Eleanor of Navarre
Alfonso II d'Este, Duke of Ferrara Margherita Gonzaga, Duchess of Ferrara
(third wife)
24 February 1579 1579 Third cousins once removed Gaston IV, Count of Foix and Eleanor of Navarre
Alfonso IV of Aragon Eleanor of Castile 5 February 1329 1329 First cousins once removed Peter III of Aragon
Alfonso V of Aragon Maria of Castile, Queen of Aragon 12 June 1415 1415 First cousins John I of Castile and Eleanor of Aragon, Queen of Castile
Alfonso VIII of Castile Eleanor of England, Queen of Castile 17 September 1177 1177 Fourth cousins Robert I, Duke of Burgundy
Alfonso IX of León Theresa of Portugal, Queen of León
(first wife)
15 February 1191 1191 First cousins Afonso I of Portugal and Matilda of Savoy, Queen of Portugal
Alfonso IX of León Berengaria of Castile
(second wife)
17 December 1197 1197 First cousins once removed Alfonso VII of León
Alfonso X of Castile Violant of Aragon January 1249 1249 Third cousins Alfonso VII of León
Alfonso XI of Castile Constanza Manuel
(first wife)
28 November 1325 1325 Second cousins once removed Ferdinand III of Castile
Alfonso XI of Castile Maria of Portugal
(second wife)
1328 1328 Double first cousins Sancho IV of Castile; Denis of Portugal
Alfonso XII of Spain Mercedes of Orléans
(first wife)
Atocha, Madrid, 23 January 1878 1878 First cousins Ferdinand VII of Spain and Maria Christina of the Two Sicilies
Alfonso XII of Spain Archduchess Maria Christina of Austria
(second wife)
Basilica of Atocha, Madrid, 29 November 1879 1879 Third cousins Charles III of Spain and Maria Amalia of Saxony
Alfonso XIII of Spain Victoria Eugenie of Battenberg 31 May 1906 1906 Fifth cousins once removed George II of Great Britain and Caroline of Ansbach
Prince Alfonso, Count of Caserta Princess Maria Antonietta of Bourbon-Two Sicilies 8 June 1868 1868 First cousins Francis I of the Two Sicilies and Infanta María Isabella of Spain
Infante Alfonso, Duke of Calabria Princess Alicia of Bourbon-Parma 16 April 1936 1936 Double second cousins Ferdinand II of the Two Sicilies and Maria Theresa of Austria; Archduke Karl Ferdinand of Austria and Archduchess Elisabeth Franziska of Austria
Infante Alfonso Carlos, Duke of San Jaime Infanta Maria das Neves of Portugal 26 April 1871 1871 First cousins once removed John VI of Portugal and Carlota Joaquina of Spain
Alfred, Duke of Saxe-Coburg and Gotha Grand Duchess Maria Alexandrovna of Russia Winter Palace, St. Petersburg, 23 January 1874 1874 Third cousins once removed Duke Charles Louis Frederick of Mecklenburg and Princess Elisabeth Albertine of Saxe-Hildburghausen
Prince Alfred of Liechtenstein Princess Henriette of Liechtenstein 26 April 1865 1865 First cousins Johann I Joseph, Prince of Liechtenstein and Landgravine Josepha of Fürstenberg-Weitra
Alois, Hereditary Prince of Liechtenstein Duchess Sophie in Bavaria St. Florin's, Vaduz, 3 July 1993 1993 Fifth cousins;
Half-fifth cousins once removed
Maximilian I Joseph of Bavaria and Caroline of Baden; Maximilian I Joseph of Bavaria
Alois-Konstantin, 9th Prince of Löwenstein-Wertheim-Rosenberg Princess Anastasia of Prussia 8 October 1965 1965 Fourth cousins once removed Karl Ludwig, Prince of Hohenlohe-Langenburg and Countess Amalie Henriette of Solms-Baruth
Prince Amedeo, Duke of Aosta Princess Anne of Orléans 5 November 1927 1927 First cousins Prince Philippe, Count of Paris and Princess Marie Isabelle of Orléans
Prince Amedeo, Duke of Aosta Princess Claude of Orléans 22 July 1964 1964 Second cousins Prince Philippe, Count of Paris and Princess Marie Isabelle of Orléans
Prince Amedeo of Belgium, Archduke of Austria-Este Nob. Elisabetta Maria Rosboch von Wolkenstein 5 July 2014 2014 Distant cousins Giuseppe Tiberio Ruffo, Count of Sinopoli; Franz Albrecht I, Prince of Oettingen-Spielberg
Amadeus VIII, Duke of Savoy Mary of Burgundy, Duchess of Savoy 30 October 1393 1393 First cousins once removed John II of France and Bonne of Luxembourg
Amadeus IX, Duke of Savoy Yolande of Valois 1452 1452 Third cousins John II of France and Bonne of Luxembourg
Andreas, Prince of Leiningen Princess Alexandra of Hanover 5 October 1981 1981 Double fourth cousins Queen Victoria and Albert, Prince Consort; Joseph, Duke of Saxe-Altenburg and Duchess Amelia of Württemberg
Prince Andrew of Greece and Denmark Princess Alice of Battenberg 6 October 1903 1903 Fourth cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Prince Andrew of Yugoslavia Princess Christina Margarethe of Hesse
(first wife)
2 August 1956 1956 Third cousins Queen Victoria and Albert, Prince Consort
Prince Andrew of Yugoslavia Princess Kira of Leiningen
(second wife)
(daughter of Karl, Prince of Leiningen)
18 September 1963 1963 Second cousins Alfred, Duke of Saxe-Coburg and Gotha and Grand Duchess Maria Alexandrovna of Russia
Anne, Queen of Great Britain Prince George of Denmark 28 July 1683 1683 Second cousins once removed Frederick II of Denmark and Sophie of Mecklenburg-Güstrow
Anne of York, Duchess of Exeter Henry Holland, 3rd Duke of Exeter 30 July 1447 1447 Half-second cousins John of Gaunt
Anthony of Saxony Princess Maria Carolina of Savoy
(first wife)
29 September 1781 1781 Fourth cousins Victor Amadeus I, Duke of Savoy and Christine of France
Anthony of Saxony Maria Theresa of Austria
(second wife)
8 September 1787 1787 First cousins once removed Augustus III of Poland and Maria Josepha of Austria
Duke Anthony Ulrich of Brunswick Grand Duchess Anna Leopoldovna of Russia 3 July 1739 1739 Third cousins once removed Johann VII, Duke of Mecklenburg and Sophia of Holstein-Gottorp
Antoine, Duke of Lorraine Renée of Bourbon 26 June 1515 1515 Third cousins John I, Duke of Bourbon and Marie, Duchess of Auvergne
Antoine, Duke of Montpensier Infanta Luisa Fernanda, Duchess of Montpensier 10 October 1846 1846 First cousins once removed Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Prince Antoine of Bourbon-Two Sicilies Duchess Elisabeth of Württemberg 8 July 1958 1958 First cousins once removed Prince Alfonso, Count of Caserta and Princess Maria Antonietta of Bourbon-Two Sicilies
Archduke Anton of Austria Princess Ileana of Romania 26 July 1931 1931 Fourth cousins John VI of Portugal and Carlota Joaquina of Spain
Anton-Günther, Duke of Oldenburg Princess Ameli of Löwenstein-Wertheim-Freudenberg 7 August 1951 1951 Fifth cousins once removed Frederick II, Landgrave of Hesse-Kassel and Princess Mary of Great Britain
Anton Ulrich, Duke of Saxe-Meiningen Princess Charlotte Amalie of Hesse-Philippsthal 26 September 1750 1750 Second cousins twice removed Johann II, Duke of Saxe-Weimar and Dorothea Maria of Anhalt
Infante Antonio, Duke of Galliera Infanta Eulalia of Spain 6 March 1886 1886 First cousins Ferdinand VII of Spain and Maria Christina of the Two Sicilies
Prince Antônio of Orléans-Braganza Princess Christine de Ligne 25 September 1981 1981 Fourth cousins once removed John VI of Portugal and Carlota Joaquina of Spain
Antonio Farnese, Duke of Parma Enrichetta d'Este 5 February 1728 1728 First cousins Francesco I d'Este, Duke of Modena
Infante Antonio Pascual of Spain Infanta María Amalia of Spain 25 August 1795 1795 First cousins once removed[67] Philip V of Spain and Elisabeth Farnese
Prince Aribert of Anhalt Princess Marie Louise of Schleswig-Holstein 6 July 1891 1891 Fourth cousins Duke Charles Louis Frederick of Mecklenburg and Princess Elisabeth Albertine of Saxe-Hildburghausen
Arthur II, Duke of Brittany Marie, Viscountess of Limoges
(first wife)
(granddaughter of Hugh IV, Duke of Burgundy)
1275 1275 Third cousins Robert II, Count of Dreux and Yolande de Coucy
Arthur II, Duke of Brittany Yolande of Dreux, Queen of Scotland
(second wife)
May 1294 1294 Third cousins Robert II, Count of Dreux and Yolande de Coucy
Arthur, Prince of Wales Catherine of Aragon 14 November 1501 1501 Half-third cousins once removed (through John of Gaunt);
Double fourth cousins (through Peter of Castile)
John of Gaunt; Peter of Castile and María de Padilla
Prince Arthur, Duke of Connaught and Strathearn Princess Louise Margaret of Prussia St. George's Chapel, Windsor Castle, 13 March 1879 1879 Third cousins once removed Duke Charles Louis Frederick of Mecklenburg and Princess Elisabeth Albertine of Saxe-Hildburghausen
Prince Arthur of Connaught Princess Alexandra, 2nd Duchess of Fife Chapel Royal, St. James's Palace, 15 October 1913 1913 First cousins once removed Queen Victoria and Albert, Prince Consort
Prince August, Duke of Dalarna Princess Therese of Saxe-Altenburg 16 April 1864 1864 Third cousins Prince George William of Hesse-Darmstadt and Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg
Prince August of Saxe-Coburg and Gotha Princess Clémentine of Orléans 20 April 1843 1843 Fourth cousins Louis Rudolph, Duke of Brunswick-Lüneburg and Princess Christine Louise of Oettingen-Oettingen
Prince August Leopold of Saxe-Coburg and Gotha Archduchess Karoline Marie of Austria 30 May 1894 1894 Second cousins Francis I of the Two Sicilies and Infanta María Isabella of Spain
Prince August Wilhelm of Prussia Princess Alexandra Victoria of Schleswig-Holstein-Sonderburg-Glücksburg 22 October 1908 1908 First cousins Frederick VIII, Duke of Schleswig-Holstein and Princess Adelheid of Hohenlohe-Langenburg
Augustus, Duke of Saxe-Gotha-Altenburg Duchess Louise Charlotte of Mecklenburg-Schwerin
(first wife)
21 October 1797 1797 Second cousins Frederick II, Duke of Saxe-Gotha-Altenburg and Princess Magdalena Augusta of Anhalt-Zerbst
Augustus, Duke of Saxe-Gotha-Altenburg Princess Karoline Amalie of Hesse-Kassel
(second wife)
24 April 1802 1802 Fourth cousins John George I, Duke of Saxe-Eisenach and Johannetta of Sayn-Wittgenstein
Augustus, Grand Duke of Oldenburg Princess Adelheid of Anhalt-Bernburg-Schaumburg-Hoym
(first wife)
24 July 1817 1817 Fourth cousins George I of Great Britain and Sophia Dorothea of Celle
Augustus, Grand Duke of Oldenburg Princess Ida of Anhalt-Bernburg-Schaumburg-Hoym
(second wife)
24 June 1825 1825 Fourth cousins George I of Great Britain and Sophia Dorothea of Celle
Augustus, Grand Duke of Oldenburg Princess Cecilia of Sweden
(third wife)
5 May 1831 1831 Second cousins once removed Christian August of Holstein-Gottorp, Prince of Eutin and Princess Albertina Frederica of Baden-Durlach
Augustus, Elector of Saxony Anne of Denmark, Electress of Saxony 7 October 1548 1548 Second cousins once removed Eric II, Duke of Pomerania and Sophie of Pomerania, Duchess of Pomerania
Augustus II the Strong Christiane Eberhardine of Brandenburg-Bayreuth 20 January 1693 1693 Second cousins Christian, Margrave of Brandenburg-Bayreuth and Marie of Prussia, Margravine of Brandenburg-Bayreuth
Augustus III of Poland Maria Josepha of Austria 20 August 1719 1719 Second cousins once removed George, Duke of Brunswick-Lüneburg and Anne Eleonore of Hesse-Darmstadt
Prince Augustus Ferdinand of Prussia Margravine Elisabeth Louise of Brandenburg-Schwedt 27 September 1755 1755 Half-second cousins[67] Frederick William, Elector of Brandenburg
Prince Augustus William of Prussia Duchess Luise of Brunswick-Wolfenbüttel 6 January 1742 1742 Fourth cousins once removed Ernest I, Duke of Brunswick-Lüneburg and Sophia of Mecklenburg-Schwerin
Prince Axel of Denmark Princess Margaretha of Sweden 22 May 1919 1919 First cousins once removed Christian IX of Denmark and Louise of Hesse-Kassel
Princess Beatrice of Bourbon-Parma
(daughter of Robert I, Duke of Parma)
Count Pietro Lucchesi-Palli 12 August 1906 1906 Half-first cousins once removed Marie-Caroline of Bourbon-Two Sicilies, Duchess of Berry
Prince Benedetto, Duke of Chablais Maria Anna of Savoy, Duchess of Chablais 19 March 1775 1775 Half-second cousins once removed[70] Philippe I, Duke of Orléans
Bernhard II, Duke of Saxe-Meiningen Princess Marie Frederica of Hesse-Kassel 23 March 1825 1825 Third cousins once removed Louis Crato, Count of Nassau-Saarbrücken and Countess Philippine Henriette of Hohenlohe-Langenburg
Bernhard III, Duke of Saxe-Meiningen Princess Charlotte of Prussia 18 February 1878 1878 Second cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Prince Bernhard of Saxe-Weimar-Eisenach Princess Ida of Saxe-Meiningen 30 May 1816 1816 Fourth cousins once removed William, Duke of Saxe-Weimar and Eleonore Dorothea of Anhalt-Dessau
Berthold, Margrave of Baden Princess Theodora of Greece and Denmark 17 August 1931 1931 Second cousins Christian IX of Denmark and Louise of Hesse-Kassel
Birger, King of Sweden Martha of Denmark 25 November 1298 1298 Double third cousins Valdemar I of Denmark and Sophia of Minsk; Henry Borwin II, Lord of Mecklenburg and Christina of Sweden
Boris III of Bulgaria Giovanna of Italy 25 October 1930 1930 Fourth cousins once removed Francis I, Holy Roman Emperor and Maria Theresa
Caligula Lollia Paulina 38 38 Second cousins once removed Drusus Claudius Nero I
Prince Carl, Duke of Västergötland Princess Ingeborg of Denmark 27 August 1897 1897 First cousins once removed Oscar I of Sweden and Josephine of Leuchtenberg
Carl, Duke of Württemberg Princess Diane of Orléans 21 July 1960 1960 Double fourth cousins Louis Philippe I and Maria Amalia of Naples and Sicily; Francis I of the Two Sicilies and Infanta María Isabella of Spain
Archduke Carl Christian of Austria Princess Marie Astrid of Luxembourg 6 February 1982 1982 Second cousins Robert I, Duke of Parma and Infanta Maria Antonia of Portugal
Carol I of Romania Elisabeth of Wied 15 November 1869 1869 Fourth cousins once removed Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Carol II of Romania Princess Helen of Greece and Denmark Metropolitan Cathedral of Athens, 10 March 1921 1921 Second cousins (through Queen Victoria); Third cousins (through Nicholas I of Russia) Queen Victoria and Albert, Prince Consort; Nicholas I of Russia and Charlotte of Prussia
Carlos I of Portugal Amélie of Orléans 22 May 1886 1886 Third cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Prince Carlos of Bourbon-Two Sicilies Mercedes, Princess of Asturias
(first wife)
4 February 1901 1901 Second cousins Archduke Charles, Duke of Teschen and Princess Henrietta of Nassau-Weilburg
Prince Carlos of Bourbon-Two Sicilies Princess Louise of Orléans
(second wife)
16 November 1907 1907 Double third cousins Ferdinand I of the Two Sicilies and Maria Carolina of Austria; Charles IV of Spain and Princess Maria Luisa of Parma
Carlos, Duke of Madrid Princess Margherita of Bourbon-Parma 4 February 1867 1867 Second cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Infante Carlos, Count of Molina Infanta Maria Francisca of Braganza
(first wife)
22 September 1816 1816 Second cousins once removed[67] Philip V of Spain and Elisabeth Farnese
Infante Carlos, Count of Molina Maria Teresa, Princess of Beira
(second wife)
20 October 1838 1838 Second cousins once removed[67] Philip V of Spain and Elisabeth Farnese
Infante Carlos, Count of Montemolin Princess Maria Carolina of Bourbon-Two Sicilies 10 July 1850 1850 First cousins Charles IV of Spain and Princess Maria Luisa of Parma
Infante Carlos, Duke of Calabria Princess Anne of Orléans 2 May 1965 1965 Fourth cousins Ferdinand VII of Spain and Maria Christina of the Two Sicilies
Casimir, Margrave of Brandenburg-Bayreuth Susanna of Bavaria 25 August 1518 1518 Second cousins once removed Ernest, Duke of Austria and Cymburgis of Masovia
Catherine the Great Peter III of Russia 21 August 1745 1745 Second cousins Christian Albert, Duke of Holstein-Gottorp and Princess Frederica Amalia of Denmark
Grand Duchess Catherine Mikhailovna of Russia Duke Georg August of Mecklenburg-Strelitz 16 February 1851 1851 First cousins twice removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Grand Duchess Catherine Pavlovna of Russia Duke George of Oldenburg
(first husband)
3 August 1809 1809 First cousins Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Grand Duchess Catherine Pavlovna of Russia William I of Württemberg
(second husband)
Saint Petersburg, 24 January 1816 1816 First cousins Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Princess Cécile Marita Dorothea of Hohenlohe-Langenburg
(daughter of Kraft, Prince of Hohenlohe-Langenburg)
Count Cyril Amédée de Commarque
(grandson of Marie Clotilde Bonaparte)
6 June 1998 1998 Fifth cousins Duke Louis of Württemberg and Princess Henriette of Nassau-Weilburg
Charles Alexander, Duke of Württemberg Princess Marie Auguste of Thurn and Taxis 1 May 1727 1727 Fifth cousins once removed Philip I, Landgrave of Hesse and Christine of Saxony
Charles August, Prince of Nassau-Weilburg Auguste Friederike of Nassau-Idstein 17 August 1723 1723 Second cousins once removed Louis II, Count of Nassau-Weilburg and Anna Maria of Hesse-Kassel
Charles the Bold, Duke of Burgundy Catherine of France
(first wife)
19 May 1440 1440 Third cousins John II of France and Bonne of Luxembourg
Charles the Bold, Duke of Burgundy Isabella of Bourbon
(second wife)
Lille, 30 October 1454 1454 First cousins John the Fearless, Duke of Burgundy and Margaret of Bavaria
Charles the Bold, Duke of Burgundy Margaret of York
(third wife)
Damme, 3 July 1468 1468 Half-second cousins John of Gaunt
Charles I of Austria Princess Zita of Bourbon-Parma Schwarzau Castle, 21 October 1911 1911 Second cousins twice removed; fourth cousins John VI of Portugal and Carlota Joaquina of Spain; Charles IV of Spain and Princess Maria Luisa of Parma
Charles I of England Henrietta Maria of France St Augustine's Abbey, Canterbury, Kent, 13 June 1625 1625 Third cousins once removed Francis, Count of Vendôme and Marie of Luxembourg, Countess of Vendôme
Charles I of Württemberg Olga Nikolaevna of Russia 13 July 1846 1846 Second cousins Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Charles II, Duke of Parma Princess Maria Teresa of Savoy Lucca, 5 September 1820 1820 Double second cousins Philip, Duke of Parma and Louise Élisabeth of France; Francis I, Holy Roman Emperor and Maria Theresa of Austria
Charles II of England Catherine of Braganza Domus Dei, Portsmouth, Hampshire, 21 May 1662 1662 Fifth cousins; seventh cousins once removed Ferdinand II of Aragon and Isabella I of Castile; Ferdinand I of Aragon and Eleanor of Alburquerque
Charles II of Spain Marie Louise of Orléans
(first wife)
19 November 1679 1679 First cousins once removed Philip III of Spain and Margaret of Austria
Charles II of Spain Maria Anna of Neuburg
(second wife)
28 August 1689 1689 Second cousins once removed William V, Duke of Bavaria and Renata of Lorraine
Charles II, Elector Palatine Princess Wilhelmine Ernestine of Denmark 20 September 1671 1671 Second cousins once removed Frederick II of Denmark and Sophie of Mecklenburg-Güstrow
Charles II, Archduke of Austria Maria Anna of Bavaria 26 August 1571 1571 Third cousins[67] Frederick III, Holy Roman Emperor and Eleanor of Portugal, Holy Roman Empress
Charles II, Duke of Mantua and Montferrat Archduchess Isabella Clara of Austria 7 November 1649 1649 Second cousins twice removed Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Charles II, Grand Duke of Mecklenburg-Strelitz Princess Friederike of Hesse-Darmstadt
(first wife)
18 September 1768 1768 Third cousins once removed Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Charles II, Grand Duke of Mecklenburg-Strelitz Princess Charlotte of Hesse-Darmstadt
(second wife)
28 September 1784 1784 Third cousins once removed Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Charles III of Spain Maria Amalia of Saxony May 8, 1738 1738 Fourth cousins Philip III of Spain and Margaret of Austria
Charles III, Duke of Parma Louise Marie Thérèse d'Artois Schloss Frohsdorf, Austria, 10 November 1845 1845 Second cousins Victor Amadeus III of Sardinia and Maria Antonia Ferdinanda of Spain
Charles III William, Margrave of Baden-Durlach Magdalena Wilhelmine of Württemberg 27 June 1697 1697 First cousins once removed Frederick III, Duke of Holstein-Gottorp and Duchess Marie Elisabeth of Saxony
Charles IV of Spain Maria Luisa of Parma La Granja Palace, 4 September 1765 1765 First cousins Philip V of Spain and Elisabeth Farnese
Charles IV, Duke of Lorraine Nicole, Duchess of Lorraine 23 May 1621 1621 First cousins Charles III, Duke of Lorraine and Claude of France
Charles V, Holy Roman Emperor Isabella of Portugal Seville, 10 March 1526 1526 First cousins Ferdinand II of Aragon and Isabella I of Castile
Charles V, Duke of Lorraine Eleanor of Austria, Queen of Poland 6 February 1678 1678 Third cousins Francis I, Duke of Lorraine and Christina of Denmark
Charles VII of France Marie of Anjou 18 December 1422 1422 Second cousins John II of France and Bonne of Luxembourg
Charles VII, Holy Roman Emperor Maria Amalia of Austria 5 October 1722 1722 Third cousins Ferdinand II, Holy Roman Emperor and Maria Anna of Bavaria
Charles VIII of France Anne of Brittany 6 December 1491 1491 Third cousins Charles V of France and Joanna of Bourbon
Charles IX of France Elisabeth of Austria, Queen of France 26 November 1570 1570 Fourth cousins Gaston IV, Count of Foix and Eleanor of Navarre
Charles X of France Princess Maria Theresa of Savoy Palace of Versailles, 16 November 1773 1773 Double second cousins once removed Louis, Grand Dauphin and Maria Anna Victoria of Bavaria; Victor Amadeus II of Sardinia
Charles X Gustav of Sweden Hedwig Eleonora of Holstein-Gottorp 24 October 1654 1654 Third cousins Philip I, Landgrave of Hesse and Christine of Saxony
Charles XI of Sweden Ulrika Eleonora of Denmark 26 September 1679 1679 Second cousins once removed Frederick II of Denmark and Sophie of Mecklenburg-Güstrow
Charles XIII of Sweden Hedvig Elisabeth Charlotte of Holstein-Gottorp 7 July 1774 1774 First cousins Christian August of Holstein-Gottorp, Prince of Eutin and Princess Albertina Frederica of Baden-Durlach
Charles XV of Sweden Louise of the Netherlands 19 June 1850 1850 Third cousins Prince George William of Hesse-Darmstadt and Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg
Prince Charles of Hesse and by Rhine Princess Elisabeth of Prussia 22 October 1836 1836 Second cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Prince Charles of Hesse-Kassel Princess Louise of Denmark 30 August 1766 1766 First cousins; Third cousins once removed George II of Great Britain and Caroline of Ansbach; William VI, Landgrave of Hesse-Kassel and Margravine Hedwig Sophie of Brandenburg
Prince Charles of Prussia Princess Marie of Saxe-Weimar-Eisenach 26 May 1827 1827 Second cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Charles, Count of Angoulême Louise of Savoy 16 February 1488 1488 Third cousins once removed John II of France and Bonne of Luxembourg
Charles, Duke of Aumale Marie of Lorraine
(daughter of René, Marquis of Elbeuf)
10 November 1576 1576 First cousins Claude, Duke of Guise and Antoinette de Bourbon
Charles, Duke of Berry Marie Louise Elisabeth d'Orléans 6 July 1710 1710 Half-first cousins Louis XIV of France
Charles, Prince of Viana Agnes of Cleves 30 September 1439 1439 Third cousins John II of France and Bonne of Luxembourg
Charles, Prince of Wales Diana Spencer
(first wife)
St Paul's Cathedral, 29 July 1981 1981 Seventh cousins once removed William Cavendish, 3rd Duke of Devonshire and Catherine Hoskins
Charles, Prince Napoléon Princess Béatrice of Bourbon-Two Sicilies 19 December 1978 1978 Fourth cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Charles Albert of Sardinia Maria Theresa of Austria 30 September 1817 1817 Fourth cousins Leopold I, Holy Roman Emperor and Eleonor Magdalene of Neuburg
Charles Alexander, Grand Duke of Saxe-Weimar-Eisenach Princess Sophie of the Netherlands 8 October 1842 1842 First cousins Paul I of Russia and Sophie Dorothea of Württemberg
Prince Charles Alexander of Lorraine Archduchess Maria Anna of Austria 7 January 1744 1744 Half-second cousins Ferdinand III, Holy Roman Emperor
Charles Amadeus, Duke of Nemours Élisabeth de Bourbon 11 July 1643 1643 Second cousins once removed Philip, Duke of Nemours and Charlotte d'Orléans
Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach Princess Pauline of Saxe-Weimar-Eisenach 26 August 1873 1873 Second cousins Karl August, Grand Duke of Saxe-Weimar-Eisenach and Princess Louise of Hesse-Darmstadt
Charles Edward, Duke of Saxe-Coburg and Gotha Princess Victoria Adelaide of Schleswig-Holstein 11 October 1905 1905 Half-second cousins once removed Princess Victoria of Saxe-Coburg-Saalfeld
Charles Emmanuel I, Duke of Savoy Infanta Catherine Michelle of Spain 1582 1582 First cousins once removed (through Francis I of France);
Second cousins (through Manuel I of Portugal)
Francis I of France and Claude of France; Manuel I of Portugal and Maria of Aragon
Charles Emmanuel II, Duke of Savoy Françoise Madeleine d'Orléans
(first wife)
4 March 1663 1663 First cousins Henry IV of France and Marie de' Medici
Charles Emmanuel II, Duke of Savoy Marie Jeanne Baptiste of Savoy-Nemours
(second wife)
20 May 1665 1665 Half-first cousins once removed Henry IV of France
Charles Emmanuel III of Sardinia Anne Christine of Sulzbach, Princess of Piedmont
(first wife)
15 March 1722 1722 Fourth cousins Frederick II of Denmark and Sophie of Mecklenburg-Güstrow
Charles Emmanuel III of Sardinia Elisabeth Therese of Lorraine
(third wife)
1 April 1737 1737 Half-first cousins Philippe I, Duke of Orléans
Charles Emmanuel IV of Sardinia Marie Clotilde of France Palace of Versailles, 27 August 1775 1775 Double second cousins once removed Victor Amadeus II of Sardinia; Louis, Grand Dauphin and Maria Anna Victoria of Bavaria
Charles Eugene, Duke of Württemberg Margravine Elisabeth Fredericka Sophie of Brandenburg-Bayreuth 26 September 1748 1748 Fourth cousins twice removed Joachim Frederick, Elector of Brandenburg
Charles Felix of Sardinia Princess Maria Cristina of Naples and Sicily Palermo, 6 April 1807 1807 First cousins once removed Philip V of Spain and Elisabeth Farnese
Charles Ferdinand, Duke of Berry Marie-Caroline de Bourbon-Sicile, duchesse de Berry 24 April 1816 1816 Second cousins once removed Philip V of Spain and Elisabeth Farnese
Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach Grand Duchess Maria Pavlovna of Russia 3 August 1804 1804 Third cousins Frederick William I of Prussia and Princess Sophia Dorothea of Hanover
Charles Frederick, Grand Duke of Baden Landgravine Caroline Louise of Hesse-Darmstadt January 28, 1751 1751 Half-second cousins once removed Louis VI, Landgrave of Hesse-Darmstadt
Charles Gonthier, Prince of Schwarzburg-Sondershausen Princess Marie Gasparine of Saxe-Altenburg 12 June 1869 1869 Fourth cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Charles Louis, Hereditary Prince of Baden Princess Amalie of Hesse-Darmstadt 15 July 1775 1775 First cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Duke Charles Louis Frederick of Mecklenburg Princess Elisabeth Albertine of Saxe-Hildburghausen 5 February 1735 1735 Fourth cousins three times removed Albrecht VII, Duke of Mecklenburg and Anna of Brandenburg, Duchess of Mecklenburg; Frederick I of Denmark and Sophie of Pomerania
Charles Lucien Bonaparte Zénaïde Bonaparte 29 June 1822 1822 First cousins Carlo Buonaparte and Letizia Ramolino
Prince Charles Philippe, Duke of Anjou Diana Álvares Pereira de Melo, 11th Duchess of Cadaval 21 June 2008 2008 Fifth cousins once removed Francis I of the Two Sicilies and Infanta María Isabella of Spain
Archduke Charles Stephen of Austria Archduchess Maria Theresa of Austria 28 February 1886 1886 Second cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Charles Theodore, Elector of Bavaria Countess Palatine Elisabeth Auguste of Sulzbach 17 January 1742 1742 First cousins Theodore Eustace, Count Palatine of Sulzbach and Princess Maria Eleonore of Hesse-Rotenburg
Charles William Ferdinand, Duke of Brunswick-Wolfenbüttel Princess Augusta of Great Britain 16 January 1764 1764 Second cousins George I of Great Britain and Sophia Dorothea of Celle
Charles William Frederick, Margrave of Brandenburg-Ansbach Princess Friederike Luise of Prussia 30 May 1729 1729 Half-fourth cousins twice removed John George, Elector of Brandenburg
Charlotte, Grand Duchess of Luxembourg Prince Felix of Bourbon-Parma 6 November 1919 1919 First cousins Miguel I of Portugal and Adelaide of Löwenstein-Wertheim-Rosenberg
Christian I of Denmark Dorothea of Brandenburg 26 October 1449 1449 Fifth cousins once removed; fifth cousins Albert I, Duke of Brunswick-Lüneburg; Louis II, Duke of Bavaria
Christian II of Denmark Isabella of Austria 11 July 1514 1514 Third cousins Ernest, Duke of Austria and Cymburgis of Masovia
Christian II, Elector of Saxony Hedwig of Denmark 12 September 1602 1602 First cousins once removed Christian III of Denmark and Dorothea of Saxe-Lauenburg
Christian III of Denmark Dorothea of Saxe-Lauenburg 29 October 1525 1525 Double third cousins Frederick I, Elector of Brandenburg and Elisabeth of Bavaria, Electress of Brandenburg; Frederick I, Elector of Saxony and Catherine of Brunswick-Lüneburg
Christian IV of Denmark Anne Catherine of Brandenburg 27 November 1597 1597 Second cousins once removed Joachim I Nestor, Elector of Brandenburg and Elizabeth of Denmark, Electress of Brandenburg
Christian V of Denmark Charlotte Amalie of Hesse-Kassel 25 June 1667 1667 Second cousins once removed Joachim Frederick, Elector of Brandenburg
Christian VI of Denmark Sophie Magdalene of Brandenburg-Kulmbach 7 August 1721 1721 Fourth cousins once removed Christian III of Denmark and Dorothea of Saxe-Lauenburg
Christian VII of Denmark Princess Caroline Matilda of Wales Christiansborg Palace, Copenhagen, 8 November 1766 1766 First cousins George II of Great Britain and Caroline of Ansbach
Christian VIII of Denmark Duchess Charlotte Frederica of Mecklenburg-Schwerin
(first wife)
Ludwigslust, 21 June 1806 1806 First cousins Duke Louis of Mecklenburg-Schwerin and Princess Charlotte Sophie of Saxe-Coburg-Saalfeld
Christian VIII of Denmark Caroline Amalie of Augustenburg
(second wife)
22 May 1815 1815 Half-first cousins once removed Frederick V of Denmark
Christian IX of Denmark Louise of Hesse-Kassel Amalienborg Palace, Copenhagen, 26 May 1842 1842 Double second cousins[71] Frederick II, Landgrave of Hesse-Kassel and Princess Mary of Great Britain; Frederick V of Denmark
Christian X of Denmark Alexandrine of Mecklenburg-Schwerin 26 April 1898 1898 Third cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Christian, Prince-Elect of Denmark Magdalene Sibylle of Saxony 5 October 1634 1634 Second cousins once removed Christian III of Denmark and Dorothea of Saxe-Lauenburg
Prince Christian of Schaumburg-Lippe Princess Feodora of Denmark 9 September 1937 1937 First cousins Frederick VIII of Denmark and Louise of Sweden and Louise of Sweden
Prince Christian of Schleswig-Holstein Princess Helena of the United Kingdom 5 July 1866 1866 Third cousins Frederick, Prince of Wales and Princess Augusta of Saxe-Gotha-Altenburg
Christian Albrecht, Prince of Hohenlohe-Langenburg Caroline of Stolberg-Gedern 13 April 1761 1761 First cousins Louis Crato, Count of Nassau-Saarbrücken and Countess Philippine Henriette of Hohenlohe-Langenburg
Christian Albert, Duke of Holstein-Gottorp Princess Frederica Amalia of Denmark 24 October 1667 1667 Double third cousins Christian III of Denmark and Dorothea of Saxe-Lauenburg; John George, Elector of Brandenburg
Christian August II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg Countess Louise Sophie of Danneskiold-Samsøe 18 September 1820 1820 Third cousins Christian Gyldenløve and Countess Charlotte Amalie af Danneskiold-Samsøe
Christian Ernst, Margrave of Brandenburg-Bayreuth Erdmuthe Sophie of Saxony
(first wife)
(daughter of John George II, Elector of Saxony)
29 October 1662 1662 First cousins Christian, Margrave of Brandenburg-Bayreuth and Marie of Prussia, Margravine of Brandenburg-Bayreuth
Christian Ernst, Margrave of Brandenburg-Bayreuth Sofie Louise of Württemberg
(second wife)
(daughter of Eberhard III, Duke of Württemberg)
8 February 1671 1671 Second cousins John George, Elector of Brandenburg and Elisabeth of Anhalt-Zerbst
Christian Louis, Duke of Brunswick-Lüneburg Sophia Dorothea of Schleswig-Holstein-Sonderburg-Glücksburg October 9, 1653 1653 Second cousins Christian III of Denmark and Dorothea of Saxe-Lauenburg
Duke Christian Louis of Mecklenburg Princess Barbara of Prussia 5 July 1954 1954 Fourth cousins Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin and Grand Duchess Elena Pavlovna of Russia
Christian Ludwig II, Duke of Mecklenburg-Schwerin Duchess Gustave Caroline of Mecklenburg-Strelitz 13 November 1714 1714 Half-first cousins Adolf Frederick I, Duke of Mecklenburg
Christopher II of Denmark Euphemia of Pomerania 1300 1300 Double third cousins Valdemar I of Denmark and Sophia of Minsk; Mestwin I, Duke of Pomerania and Swinisława
Christopher of Bavaria Dorothea of Brandenburg 12 September 1445 1445 Third cousins Frederick II, Margrave of Meissen and Matilda of Bavaria, Margravine of Meissen
Prince Christopher of Greece and Denmark Princess Françoise of Orléans 11 February 1929 1929 Fourth cousins once removed Duke Louis of Mecklenburg-Schwerin and Princess Charlotte Sophie of Saxe-Coburg-Saalfeld
Christopher, Duke of Mecklenburg Dorothea of Denmark, Duchess of Mecklenburg 27 October 1573 1573 First cousins twice removed Christian I of Denmark and Dorothea of Brandenburg
Claude, Duke of Guise Antoinette de Bourbon 9 June 1513 1513 Fifth cousins once removed Louis I, Duke of Bourbon and Mary of Avesnes
Claudia Antonia Faustus Cornelius Sulla Felix
(second husband)
AD 47 47 Second cousins Mark Antony and Octavia Minor
Claudius, Emperor of Rome Valeria Messalina
(third wife)
Rome, AD 37 or AD 38 38 First cousins once removed Mark Antony and Octavia Minor
Claudius, Emperor of Rome Agrippina the Younger
(fourth wife)
49 49 Second cousins once removed[67] Gaius Octavius and Atia Balba Caesonia
Constantina Hannibalianus
(first husband)
335 335 Half-first cousins Constantius Chlorus
Constantina Constantius Gallus
(second husband)
350 350 Half-first cousins Constantius Chlorus
Constantine I of Greece Sophia of Prussia 27 October 1889 1889 Second cousins once removed (through Frederick William III of Prussia); third cousins (through Paul I of Russia) Frederick William III of Prussia and Louise of Mecklenburg-Strelitz; Paul I of Russia and Sophie Dorothea of Württemberg
Constantine II of Greece Princess Anne-Marie of Denmark Athens, 18 September 1964 1964 Triple third cousins[72]; Third cousins once removed[73] Christian IX of Denmark and Louise of Hesse-Kassel; Queen Victoria and Albert, Prince Consort
Constantius II Daughter of Julius Constantius 335 335 Half-first cousins Constantius Chlorus
Cosimo II de' Medici, Grand Duke of Tuscany Archduchess Maria Maddalena of Austria 1608 1608 Second cousins twice removed Philip I of Castile and Joanna of Castile
Cosimo III de' Medici, Grand Duke of Tuscany Marguerite Louise d'Orléans 12 June 1661 1661 Second cousins Francesco I de' Medici, Grand Duke of Tuscany
David II of Scotland Joan of the Tower 17 July 1328 1328 Half-fourth cousins four times removed Henry I of England
Denis of Portugal Elizabeth of Aragon 1288 1288 Third cousins once removed Ramon Berenguer IV, Count of Barcelona and Petronilla of Aragon
Denis, Lord of Cifuentes Joan of Castile, Lady of Cifuentes
(daughter of Henry II of Castile)
1372 1372 Second cousins once removed Sancho IV of Castile
Dominik Rainer Radziwiłł Princess Eugénie of Greece and Denmark 30 May 1938 1938 Fourth cousins Duke Louis of Württemberg and Princess Henriette of Nassau-Weilburg
Countess Palatine Dorothea Sophie of Neuburg Odoardo Farnese, Hereditary Prince of Parma
(first husband)
17 September 1690 1690 Third cousins once removed Albert V, Duke of Bavaria and Archduchess Anna of Austria
Countess Palatine Dorothea Sophie of Neuburg Francesco Farnese, Duke of Parma
(second husband)
7 December 1696 1696 Third cousins once removed Albert V, Duke of Bavaria and Archduchess Anna of Austria
Drusus Caesar Aemilia Lepida 36 Half-third cousins Scribonia
Drusus Julius Caesar Livilla AD 4 4 First cousins Tiberius Claudius Nero and Livia
Duarte of Portugal, 4th Duke of Guimarães Isabel of Braganza, Duchess of Guimarães 1537 1537 First cousins once removed Ferdinand, Duke of Viseu and Beatriz, Duchess of Viseu
Duarte Nuno, Duke of Braganza Maria Francisca of Orléans-Braganza, Duchess of Braganza 13 October 1942 1942 Second cousins twice removed John VI of Portugal and Carlota Joaquina of Spain
Duncan II of Scotland Ethelreda Second cousins Crínán of Dunkeld
Edmund Crouchback Blanche of Artois 29 October 1276 1276 Second cousins once removed Henry II of England and Eleanor of Aquitaine
Edmund of Langley, 1st Duke of York Infanta Isabella of Castile
(first wife)
1372 1372 Third cousins twice removed Ferdinand III of Castile
Edmund of Langley, 1st Duke of York Joan Holland
(second wife)
c. 4 November 1393 1393 Half-second cousins once removed Edward I of England
Eduard, Duke of Anhalt Princess Louise Charlotte of Saxe-Altenburg 6 February 1895 1895 Second cousins Frederick, Duke of Saxe-Altenburg and Duchess Charlotte Georgine of Mecklenburg-Strelitz
Edward, King of Portugal Eleanor of Aragon, Queen of Portugal 22 September 1428 1428 Half-first cousins once removed Peter I of Portugal
Edward I of England Eleanor of Castile
(first wife)
1254 1254 Second cousins once removed Henry II of England and Eleanor of Aquitaine
Edward I of England Margaret of France
(second wife)
8 September 1299 1299 First cousins once removed Ramon Berenguer IV, Count of Provence and Beatrice of Savoy
Edward II of England Isabella of France Boulogne-sur-Mer, 25 January 1308 1308 Third cousins once removed Alfonso VIII of Castile and Eleanor of England, Queen of Castile
Edward III of England Philippa of Hainault York Minster, 24 January 1328 1328 Second cousins Philip III of France
Edward IV of England Elizabeth Woodville 1 May 1464 1464 Sixth cousins once removed Blanche de Brienne, Baroness Tingry and William II de Fiennes, Baron of Tingry
Edward VII of the United Kingdom Princess Alexandra of Denmark St. George's Chapel, Windsor Castle, 10 March 1863 1863 Third cousins once removed (through Duke Louis of Mecklenburg-Schwerin); Quintuple fourth cousins (through George II of Great Britain and Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel) Duke Louis of Mecklenburg-Schwerin and Princess Charlotte Sophie of Saxe-Coburg-Saalfeld; George II of Great Britain and Caroline of Ansbach[74] ; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel and Princess Antoinette of Brunswick-Wolfenbüttel[75]
Edward the Black Prince, Prince of Wales Joan, 4th Countess of Kent Windsor Castle, 10 October 1361 1361 Half-first cousins once removed Edward I of England
Edward of Norwich, 2nd Duke of York Beatrice of Portugal 29 August 1381 1381 Second cousins once removed Afonso IV of Portugal and Beatrice of Castile
Edward of Westminster, Prince of Wales Anne Neville 13 December 1470 1470 Half-third cousins John of Gaunt
Prince Edward, Duke of Kent and Strathearn Princess Victoria of Saxe-Coburg-Saalfeld 29 May 1818 1818 Third cousins once removed Frederick I, Duke of Saxe-Gotha-Altenburg and Magdalena Sibylla of Saxe-Weissenfels
Prince Eitel Friedrich of Prussia Duchess Sophia Charlotte of Oldenburg 27 February 1906 1906 Third cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Eleanor of Leicester Simon de Montfort, 6th Earl of Leicester January 1238 1238 Half-third cousins Henry I of England
Elias, Duke of Parma Archduchess Maria Anna of Austria 25 May 1903 1903 Second cousins Archduke Charles, Duke of Teschen and Princess Henrietta of Nassau-Weilburg
Archduchess Elisabeth Franziska of Austria Archduke Ferdinand Karl Viktor of Austria-Este
(first husband)
Vienna, 4 October 1847 1847 Second cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria
Archduchess Elisabeth Franziska of Austria Archduke Karl Ferdinand of Austria
(second husband)
Vienna, 18 April 1854 1854 First cousins Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Margravine Elisabeth Sophie of Brandenburg Frederick Casimir Kettler
(first husband)
29 April 1691 1691 First cousins George William, Elector of Brandenburg and Elizabeth Charlotte of the Palatinate, Electress of Brandenburg
Margravine Elisabeth Sophie of Brandenburg Christian Ernst, Margrave of Brandenburg-Bayreuth
(second husband)
30 March 1703 1703 Half-second cousins twice removed John George, Elector of Brandenburg
Queen Elizabeth II Prince Philip, Duke of Edinburgh Westminster Abbey, 20 November 1947 1947 Second cousins once removed (through Christian IX of Denmark);
Third cousins (through Queen Victoria);
Fourth cousins (through Duke Louis of Württemberg)
Christian IX of Denmark and Louise of Hesse-Kassel; Queen Victoria and Albert, Prince Consort; Duke Louis of Württemberg and Princess Henriette of Nassau-Weilburg
Princess Elizabeth of Greece and Denmark Carl Theodor, Count of Toerring-Jettenbach
(son of Duchess Sophie Adelheid in Bavaria)
10 January 1934 1934 Fourth cousins Charles Louis, Hereditary Prince of Baden and Princess Amalie of Hesse-Darmstadt
Duchess Elsa of Württemberg Prince Albert of Schaumburg-Lippe
(son of Prince William of Schaumburg-Lippe)
6 May 1897 1897 First cousins once removed George William, Prince of Schaumburg-Lippe and Princess Ida of Waldeck and Pyrmont
Emich, 5th Prince of Leiningen Princess Feodore of Hohenlohe-Langenburg
(daughter of Hermann, Prince of Hohenlohe-Langenburg)
12 July 1894 1894 Second cousins Emich Carl, 2nd Prince of Leiningen and Princess Victoria of Saxe-Coburg-Saalfeld
Emich Kyrill, Prince of Leiningen Duchess Eilika of Oldenburg
(daughter of Nikolaus, Hereditary Grand Duke of Oldenburg)
10 August 1950 1950 Half-second cousins once removed Frederick Francis II, Grand Duke of Mecklenburg-Schwerin
Prince Emmanuel, Duke of Vendôme Princess Henriette of Belgium 12 February 1896 1896 Second cousins Louis Philippe I and Maria Amalia of Naples and Sicily
Prince Emanuele Filiberto, Duke of Aosta Princess Hélène of Orléans 25 June 1895 1895 Double fourth cousins Francis I, Holy Roman Emperor and Maria Theresa; Charles III of Spain and Maria Amalia of Saxony
Emmanuel Philibert, Duke of Savoy Margaret of France, Duchess of Berry 10 July 1559 1559 Half-first cousins once removed Philip II, Duke of Savoy
Emmanuel Théodose de La Tour d'Auvergne Marie Armande de La Trémoille 1 February 1696 1696 Second cousins once removed Henri de La Tour d'Auvergne, Duke of Bouillon
Enrichetta d'Este Leopold of Hesse-Darmstadt
(son of Philip of Hesse-Darmstadt)
23 March 1740 1740 Third cousins Louis V, Landgrave of Hesse-Darmstadt and Magdalene of Brandenburg
Eric II, Duke of Brunswick-Lüneburg Sidonie of Saxony
(first wife)
17 May 1545 1545 Third cousins once removed Frederick I, Elector of Brandenburg and Elisabeth of Bavaria, Electress of Brandenburg
Eric II, Duke of Brunswick-Lüneburg Dorothea of Lorraine
(second wife)
26 November 1575 1575 Third cousins Christian I of Denmark and Dorothea of Brandenburg
Eric V of Denmark Agnes of Brandenburg 11 November 1273 1273 Fifth cousins once removed Sweyn II of Denmark
Eric VI of Denmark Ingeborg Magnusdotter of Sweden 1297 1297 Third cousins Valdemar I of Denmark and Sophia of Minsk
Prince Erik of Bourbon-Parma
(son of Prince Michel of Bourbon-Parma)
Countess Lydia af Holstein-Ledreborg
(daughter of Princess Marie Gabriele of Luxembourg)
8 August 1980 1980 Second cousins Robert I, Duke of Parma and Infanta Maria Antonia of Portugal
Ernest I, Duke of Saxe-Gotha Princess Elisabeth Sophie of Saxe-Altenburg 24 October 1636 1636 First cousins once removed Johann Wilhelm, Duke of Saxe-Weimar and Dorothea Susanne of Simmern
Ernest I, Duke of Saxe-Coburg and Gotha Princess Louise of Saxe-Gotha-Altenburg 31 July 1817 1817 Second cousins once removed Francis Josias, Duke of Saxe-Coburg-Saalfeld and Princess Anna Sophie of Schwarzburg-Rudolstadt
Ernest II, Duke of Saxe-Coburg and Gotha Princess Alexandrine of Baden 13 May 1842 1842 Fifth cousins once removed William VI, Landgrave of Hesse-Kassel and Margravine Hedwig Sophie of Brandenburg
Ernest II, Duke of Saxe-Gotha-Altenburg Princess Charlotte of Saxe-Meiningen 21 March 1769 1769 Half-first cousins once removed Bernhard I, Duke of Saxe-Meiningen
Ernest Augustus, Elector of Brunswick-Lüneburg Sophia of the Palatinate 30 September 1658 1658 Second cousins once removed Christian III of Denmark and Dorothea of Saxe-Lauenburg
Ernest Augustus, King of Hanover Frederica of Mecklenburg-Strelitz Carlton House, London, 29 August 1815 1815 First cousins Duke Charles Louis Frederick of Mecklenburg and Princess Elisabeth Albertine of Saxe-Hildburghausen
Ernest Augustus, Crown Prince of Hanover Princess Thyra of Denmark 22 December 1878 1878 Quadruple fourth cousins[76] George II of Great Britain and Caroline of Ansbach[77]; Count Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg and Katharina Polyxena of Solms-Rödelheim
Ernest Augustus, Duke of Brunswick Princess Victoria Louise of Prussia 24 May 1913 1913 Third cousins once removed George III of the United Kingdom and Charlotte of Mecklenburg-Strelitz
Ernest Frederick I, Duke of Saxe-Hildburghausen Countess Sophia Albertine of Erbach-Erbach 4 February 1704 1704 Second cousins William of Nassau-Hilchenbach
Ernest Frederick III, Duke of Saxe-Hildburghausen Princess Ernestine of Saxe-Weimar 1 July 1758 1758 Fourth cousins Johann II, Duke of Saxe-Weimar and Dorothea Maria of Anhalt
Ernest Günther, Duke of Schleswig-Holstein-Sonderburg-Augustenburg Auguste of Schleswig-Holstein-Sonderburg-Glücksburg 15 June 1651 1651 First cousins John II, Duke of Schleswig-Holstein-Sonderburg
Ernest Leopold, Landgrave of Hesse-Rotenburg Eleonore of Löwenstein-Wertheim 9 November 1704 1704 First cousins Ferdinand Karl, Count of Löwenstein-Wertheim-Rochefort and Countess Anna Maria of Fürstenberg-Heiligenberg
Ernst I, Duke of Saxe-Altenburg Princess Agnes of Anhalt-Dessau 28 April 1853 1853 Second cousins Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Ernst II, Duke of Saxe-Altenburg Princess Adelaide of Schaumburg-Lippe 17 February 1898 1898 Double fourth cousins Frederick II, Landgrave of Hesse-Kassel and Princess Mary of Great Britain; Duke Louis of Mecklenburg-Schwerin and Princess Charlotte Sophie of Saxe-Coburg-Saalfeld
Ernst II, Prince of Hohenlohe-Langenburg Princess Alexandra of Saxe-Coburg and Gotha 20 April 1896 1896 Half-second cousins Princess Victoria of Saxe-Coburg-Saalfeld
Ernst Frederick II, Duke of Saxe-Hildburghausen Countess Caroline of Erbach-Fürstenau 19 June 1726 1729 Second cousins George Albert I, Count of Erbach-Schönberg and Elisabeth Dorothea of Hohenlohe-Schillingfürst
Ernst Gunther, Duke of Schleswig-Holstein Princess Dorothea of Saxe-Coburg and Gotha 2 August 1898 1898 Third cousins Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf
Prince Ernst Heinrich of Saxony Princess Sophie of Luxembourg 12 April 1921 1921 Second cousins twice removed John VI of Portugal and Carlota Joaquina of Spain
Ernst Ludwig I, Duke of Saxe-Meiningen Dorothea Marie of Saxe-Gotha-Altenburg
(first wife)
19 September 1704 1704 First cousins Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Ernst Ludwig I, Duke of Saxe-Meiningen Margravine Elisabeth Sophie of Brandenburg
(second wife)
3 June 1714 1714 Third cousins Albert Frederick, Duke of Prussia and Marie Eleonore of Cleves
Duke Eugen of Württemberg Princess Helene of Hohenlohe-Langenburg 11 September 1827 1827 Third cousins Louis Crato, Count of Nassau-Saarbrücken and Countess Philippine Henriette of Hohenlohe-Langenburg
Duke Eugen of Württemberg Princess Mathilde of Schaumburg-Lippe 15 July 1843 1843 First cousins George I, Prince of Waldeck and Pyrmont and Princess Augusta of Schwarzburg-Sondershausen
Duke Eugen of Württemberg Grand Duchess Vera Constantinovna of Russia 4 May 1874 1874 Third cousins Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Duke Eugen Eberhard of Württemberg
(son of Princess Nadezhda of Bulgaria)
Archduchess Alexandra of Austria
(daughter of Archduke Anton of Austria)
1962 1962 Third cousins Ferdinand II of the Two Sicilies and Maria Theresa of Austria
Princess Eugenie of York Jack Brooksbank 12 October 2018 2018 Half-third cousins twice removed Thomas Coke, 2nd Earl of Leicester
Prince Eugenio, Duke of Genoa Princess Lucia of Bourbon-Two Sicilies 29 October 1938 1938 Second cousins once removed Ludwig I of Bavaria and Therese of Saxe-Hildburghausen
Princess Eulalia of Thurn and Taxis Prince Philipp Ernst of Thurn and Taxis
(son of Albert, 8th Prince of Thurn and Taxis)
8 September 1929 1929 Fourth cousins once removed Alexander Ferdinand, 3rd Prince of Thurn and Taxis
Eustace IV, Count of Boulogne Constance of France, Countess of Toulouse 1140 1140 Third cousins once removed Robert II of France and Constance of Arles
Prince Feodor Alexandrovich of Russia Irina Paley 21 May 1923 1923 First cousins once removed Alexander II of Russia and Marie of Hesse
Ferdinand I of Austria Princess Maria Anna of Savoy Vienna, 27 February 1831 1831 Second cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria
Ferdinand I of Bulgaria Princess Marie Louise of Bourbon-Parma 20 April 1893 1893 Second cousins once removed Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Ferdinand I of Portugal Leonor Teles 5 May 1372 1372 Fifth cousins Sancho I of Portugal
Ferdinand I of Romania Princess Marie of Edinburgh 10 January 1893 1893 Third cousins Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf
Ferdinand I of Naples Joanna of Aragon, Queen of Naples 14 September 1477 1477 First cousins Ferdinand I of Aragon and Eleanor of Alburquerque
Ferdinand I of the Two Sicilies Maria Carolina of Austria 7 April 1768 1768 Second cousins once removed Leopold I, Holy Roman Emperor and Eleonor Magdalene of Neuburg
Ferdinand I, Holy Roman Emperor Anne of Bohemia and Hungary 26 May 1521 1521 Half-second cousins once removed John II of Aragon
Ferdinand II of León Urraca of Portugal
(first wife)
May or June 1165 1165 Half-second cousins Alfonso VI of León and Castile
Ferdinand II of León Teresa Fernández de Traba
(second wife)
7 October 1178 1178 Half-first cousins Alfonso VI of León and Castile
Ferdinand II of the Two Sicilies Princess Maria Cristina of Savoy
(first wife)
Cagliari, 21 November 1832 1832 Second cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria
Ferdinand II of the Two Sicilies Archduchess Maria Theresa of Austria
(second wife)
Vienna, 9 January 1837 1837 Double second cousins Charles III of Spain and Maria Amalia of Saxony; Francis I, Holy Roman Emperor and Maria Theresa of Austria
Ferdinand II, Holy Roman Emperor Maria Anna of Bavaria
(first wife)
23 April 1600 1600 First cousins Albert V, Duke of Bavaria and Archduchess Anna of Austria
Ferdinand II, Holy Roman Emperor Eleonora Gonzaga
(second wife)
2 February 1622 1622 First cousins once removed Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Ferdinand II, Archduke of Austria Anna Juliana Gonzaga 14 May 1582 1582 Half-fourth cousins twice removed[67] Ferdinand I of Aragon and Eleanor of Alburquerque
Ferdinand III, Holy Roman Emperor Maria Anna of Spain
(first wife)
20 February 1631 1631 First cousins Charles II, Archduke of Austria and Maria Anna of Bavaria
Ferdinand III, Holy Roman Emperor Maria Leopoldine of Austria
(second wife)
2 July 1648 1648 First cousins Charles II, Archduke of Austria and Maria Anna of Bavaria
Ferdinand III, Holy Roman Emperor Eleonora Gonzaga
(third wife)
30 April 1651 1651 Second cousins twice removed Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Ferdinand III, Grand Duke of Tuscany Princess Luisa of Naples and Sicily
(first wife)
Florence, 15 August 1790 1790 Double first cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria;
Charles III of Spain and Maria Amalia of Saxony
Ferdinand III, Grand Duke of Tuscany Princess Maria Ferdinanda of Saxony
(second wife)
6 May 1821 1821 First cousins once removed Francis I, Holy Roman Emperor and Maria Theresa of Austria
Ferdinand IV, Grand Duke of Tuscany Princess Anna of Saxony
(first wife)
24 November 1856 1856 Double third cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria; Philip, Duke of Parma and Louise Élisabeth of France
Ferdinand IV, Grand Duke of Tuscany Princess Alice of Parma
(second wife)
11 January 1868 1868 Half-first cousins once removed Francis I of the Two Sicilies
Ferdinand IV of Castile Constance of Portugal 23 January 1302 1302 Half-first cousins once removed Alfonso X of Castile
Ferdinand VI of Spain Barbara of Portugal 1729 1729 Third cousins once removed Philip III of Spain and Margaret of Austria
Ferdinand VII of Spain Princess Maria Antonia of Naples and Sicily
(first wife)
6 October 1802 1802 First cousins Charles III of Spain and Maria Amalia of Saxony
Ferdinand VII of Spain Maria Isabel of Braganza
(second wife)
29 September 1816 1816 Second cousins once removed[67] Philip V of Spain and Elisabeth Farnese
Ferdinand VII of Spain Maria Josepha Amalia of Saxony
(third wife)
20 October 1819 1819 First cousins once removed Philip, Duke of Parma and Louise Élisabeth of France
Ferdinand VII of Spain Maria Christina of the Two Sicilies
(fourth wife)
11 December 1829 1829 First cousins once removed[67] Charles III of Spain and Maria Amalia of Saxony
Ferdinand, Duke of Parma Archduchess Maria Amalia of Austria 19 July 1769 1769 Third cousins once removed Louis XIII of France and Anne of Austria
Ferdinand, Hereditary Prince of Denmark Princess Caroline of Denmark 1 August 1829 1829 Half-first cousins once removed Frederick V of Denmark
Prince Ferdinand of Bavaria Infanta Maria Teresa of Spain 12 January 1906 1906 First cousins Isabella II of Spain and Francis, Duke of Cádiz
Ferdinand, Duke of Breisgau Maria Beatrice d'Este, Duchess of Massa 5 October 1771 1771 Second cousins once removed Philippe I, Duke of Orléans and Elizabeth Charlotte, Madame Palatine
Ferdinand, Duke of Viseu Beatrice, Duchess of Viseu 1447 1447 First cousins John I of Portugal and Philippa of Lancaster
Ferdinand, Hereditary Prince of Leiningen
(son of Andreas, Prince of Leiningen and Princess Alexandra of Hanover)
Princess Viktoria Luise of Prussia
(granddaughter of Louis Ferdinand, Prince of Prussia)
29 April 2017 2017 Second cousins once removed (through Kirill Vladimirovich, Grand Duke of Russia); third cousins (through Wilhelm II, German Emperor) Kirill Vladimirovich, Grand Duke of Russia and Princess Victoria Melita of Saxe-Coburg and Gotha; Wilhelm II, German Emperor and Augusta Victoria of Schleswig-Holstein
Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel Princess Antoinette of Brunswick-Wolfenbüttel 15 October 1712 1712 First cousins once removed Augustus the Younger, Duke of Brunswick-Lüneburg and Duchess Elisabeth Sophie of Mecklenburg
Ferdinand Charles, Archduke of Austria Anna de' Medici, Archduchess of Austria 10 June 1646 1646 Double first cousins Charles II, Archduke of Austria and Maria Anna of Bavaria; Ferdinando I de' Medici, Grand Duke of Tuscany and Christina of Lorraine
Prince Ferdinand Pius, Duke of Calabria Princess Maria Ludwiga Theresia of Bavaria 31 May 1897 1897 Half-second cousins Leopold II, Grand Duke of Tuscany
Prince Ferdinando, Duke of Genoa Princess Elisabeth of Saxony 22 April 1850 1850 Double third cousins Augustus III of Poland and Maria Josepha of Austria; Francis I, Holy Roman Emperor and Maria Theresa
Ferdinando Gonzaga, Duke of Mantua Catherine de' Medici, Governor of Siena February 16, 1617 1617 First cousins once removed Cosimo I de' Medici, Grand Duke of Tuscany
Ferdinando Carlo Gonzaga, Duke of Mantua and Montferrat Anna Isabella Gonzaga
(first wife)
1671 1671 Second cousins once removed; third cousins Charles Emmanuel I, Duke of Savoy and Infanta Catherine Michelle of Spain; Cosimo I de' Medici, Grand Duke of Tuscany
Ferdinando Carlo Gonzaga, Duke of Mantua and Montferrat Suzanne Henriette of Lorraine
(second wife)
8 November 1704 1704 Fifth cousins once removed René II, Duke of Lorraine and Philippa of Guelders
Ferdinando de' Medici, Grand Prince of Tuscany Duchess Violante Beatrice of Bavaria 9 January 1689 1689 Third cousins Charles II, Archduke of Austria and Maria Anna of Bavaria
Ferdinando II de' Medici, Grand Duke of Tuscany Vittoria della Rovere 26 September 1633 1633 First cousins Ferdinando I de' Medici, Grand Duke of Tuscany and Christina of Lorraine
Fernando II, Duke of Braganza Isabella of Viseu 1472 1472 Half-second cousins John I of Portugal
Flavia Domitilla Titus Flavius Clemens Second cousins Titus Flavius Sabinus and Vespasia Polla
Francesco I d'Este, Duke of Modena Maria Caterina Farnese
(first wife)
11 January 1631 1631 Third cousins Charles V, Holy Roman Emperor and Isabella of Portugal
Francesco I d'Este, Duke of Modena Vittoria Farnese d'Este
(second wife)
12 February 1648 1648 Third cousins Charles V, Holy Roman Emperor and Isabella of Portugal
Francesco II d'Este, Duke of Modena Margherita Maria Farnese 14 July 1692 1692 First cousins Francesco I d'Este, Duke of Modena
Francesco III d'Este, Duke of Modena Charlotte Aglaé d'Orléans 11 February 1720 1720 Third cousins Frederick V of the Palatinate and Elizabeth Stuart, Queen of Bohemia
Francesco IV Gonzaga, Duke of Mantua Margaret of Savoy, Vicereine of Portugal 19 February 1608 1608 Third cousins Philip I of Castile and Joanna of Castile
Francesco Maria de' Medici, Duke of Rovere and Montefeltro Eleonora Luisa Gonzaga 14 July 1709 1709 Third cousins once removed Cosimo I de' Medici, Grand Duke of Tuscany
Francis I of France Claude of France, Duchess of Brittany
(first wife)
Saint-Germain-en-Laye, 18 May 1514 1514 Second cousins Louis I, Duke of Orléans
Francis I of France Eleanor of Austria
(second wife)
4 July 1530 1530 Second cousins once removed Charles I, Duke of Bourbon and Agnes of Burgundy, Duchess of Bourbon
Francis I of the Two Sicilies Archduchess Maria Clementina of Austria
(first wife)
Foggia, 26 June 1797 1797 Double first cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria;
Charles III of Spain and Maria Amalia of Saxony
Francis I of the Two Sicilies María Isabella of Spain
(second wife)
Barcelona, 6 July 1820 1820 First cousins Charles III of Spain and Maria Amalia of Saxony
Francis I, Holy Roman Emperor Maria Theresa of Austria 12 February 1736 1736 Half-second cousins Ferdinand III, Holy Roman Emperor
Francis II, Holy Roman Emperor Princess Maria Theresa of Naples and Sicily
(second wife)
15 September 1790 1790 Double first cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria;
Charles III of Spain and Maria Amalia of Saxony
Francis II, Holy Roman Emperor Archduchess Maria Ludovika of Austria-Este
(third wife)
6 January 1808 1808 First cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria
Francis IV, Duke of Modena Maria Beatrice of Savoy 20 June 1812 1812 Half-third cousins once removed[67] Philippe I, Duke of Orléans
Francis, Duke of Saxe-Coburg-Saalfeld Princess Sophie of Saxe-Hildburghausen
(first wife)
6 March 1776 1776 Third cousins once removed Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Francis, Duke of Saxe-Coburg-Saalfeld Countess Augusta Reuss of Ebersdorf
(second wife)
13 June 1777 1777 Half-fourth cousins John Albert II, Duke of Mecklenburg
Prince Francis, Count of Trapani Archduchess Maria Isabella of Austria 10 April 1850 1850 First cousins once removed[67] Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Francis, Duke of Teck Princess Mary Adelaide of Cambridge 12 June 1866 1866 Third cousins once removed George II of Great Britain and Caroline of Ansbach
Francis, Count of Vendôme Marie of Luxembourg, Countess of Vendôme 1487 1487 Second cousins once removed John I, Count of La Marche and Catherine of Vendôme
Francis Josias, Duke of Saxe-Coburg-Saalfeld Princess Anna Sophie of Schwarzburg-Rudolstadt 2 January 1723 1723 First cousins once removed Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Infante Francisco de Paula, Duke of Cádiz Princess Luisa Carlotta of Naples and Sicily 12 June 1819 1819 First cousins once removed[67] Charles III of Spain and Maria Amalia of Saxony
François d'Orléans, Prince of Joinville Princess Francisca of Brazil 1 May 1843 1843 First cousins once removed Ferdinand I of the Two Sicilies and Maria Carolina of Austria
François de Bourbon, Prince of Conti Louise Marguerite of Lorraine 24 July 1605 1605 First cousins once removed Charles, Duke of Vendôme and Françoise d'Alençon
François Louis, Prince of Conti Marie Thérèse de Bourbon 22 January 1688 1688 First cousins once removed Henri, Prince of Condé and Charlotte Marguerite de Montmorency
Franz, Duke of Hohenberg Princess Elisabeth of Luxembourg 9 May 1956 1956 Half-fourth cousins Francis I of the Two Sicilies
Franz Joseph I of Austria Duchess Elisabeth in Bavaria St. Augustine's Church, Vienna, 24 April 1854 1854 First cousins Maximilian I Joseph of Bavaria and Caroline of Baden
Franz Joseph II, Prince of Liechtenstein Countess Georgina von Wilczek 7 March 1943 1943 Fourth cousins once removed Joseph, 4th Prince Kinsky of Wchinitz and Tettau and Countess Rosa of Harrach of Rohrau and Thannhausen
Franz Joseph, Prince of Hohenzollern-Emden Princess Maria Alix of Saxony 25 May 1921 1921 Second cousins Ferdinand II of Portugal and Maria II of Portugal
Franz Joseph, 9th Prince of Thurn and Taxis Princess Isabel Maria of Braganza 23 November 1920 1920 Fourth cousins Charles III of Spain and Maria Amalia of Saxony
Archduke Franz Salvator of Austria Archduchess Marie Valerie of Austria 31 July 1890 1890 Double third cousins Leopold II, Holy Roman Emperor and Maria Luisa of Spain; Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Frederick I, Duke of Anhalt Princess Antoinette of Saxe-Altenburg 22 April 1854 1854 Second cousins Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Frederick I, Grand Duke of Baden Princess Louise of Prussia 20 September 1856 1856 Third cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Frederick I of Denmark Anna of Brandenburg
(first wife)
10 April 1502 1502 Second cousins Frederick I, Elector of Brandenburg and Elisabeth of Bavaria, Electress of Brandenburg
Frederick I of Denmark Sophie of Pomerania
(second wife)
9 October 1518 1518 Third cousins once removed Magnus II, Duke of Brunswick-Lüneburg and Catherine of Anhalt-Bernburg
Frederick I of Sweden Princess Luise Dorothea of Prussia
(first wife)
31 May 1700 1700 First cousins William VI, Landgrave of Hesse-Kassel and Margravine Hedwig Sophie of Brandenburg
Frederick I of Sweden Ulrika Eleonora, Queen of Sweden
(second wife)
24 March 1715 1715 Third cousins once removed Joachim Frederick, Elector of Brandenburg
Frederick I of Württemberg Duchess Augusta of Brunswick-Wolfenbüttel
(first wife)
15 October 1780 1780 Second cousins Frederick William I of Prussia and Princess Sophia Dorothea of Hanover
Frederick I of Württemberg Charlotte, Princess Royal
(second wife)
18 May 1797 1797 Third cousins George I of Great Britain and Sophia Dorothea of Celle
Frederick I of Prussia Elisabeth Henriette of Hesse-Kassel
(first wife)
1679 1679 First cousins George William, Elector of Brandenburg and Elizabeth Charlotte of the Palatinate, Electress of Brandenburg
Frederick I of Prussia Sophia Charlotte of Hanover
(second wife)
8 October 1684 1684 Second cousins Frederick IV, Elector Palatine and Countess Louise Juliana of Nassau
Frederick II of Prussia Elisabeth Christine of Brunswick-Wolfenbüttel-Bevern 12 June 1733 1733 Fourth cousins once removed Ernest I, Duke of Brunswick-Lüneburg and Sophia of Mecklenburg-Schwerin
Frederick II of Denmark Sophie of Mecklenburg-Güstrow July 20, 1572 1572 Half-first cousins Frederick I of Denmark
Frederick II, Elector Palatine Dorothea of Denmark, Electress Palatine 18 May 1535 1535 Second cousins once removed Frederick II, Elector of Saxony and Margaret of Austria, Electress of Saxony
Frederick II, Elector of Saxony Margaret of Austria, Electress of Saxony 3 June 1431 1431 Third cousins once removed Albert I of Germany and Elizabeth of Carinthia, Queen of Germany
Frederick II, Grand Duke of Baden Princess Hilda of Nassau 20 September 1885 1885 Third cousins Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Frederick II, Duke of Saxe-Gotha-Altenburg Princess Magdalena Augusta of Anhalt-Zerbst 7 June 1696 1696 First cousins Augustus, Duke of Saxe-Weissenfels and Anna Maria of Mecklenburg-Schwerin
Frederick II, Landgrave of Hesse-Kassel Princess Mary of Great Britain
(first wife)
28 June 1740 1740 Fourth cousins Frederick IV, Elector Palatine and Countess Louise Juliana of Nassau
Frederick II, Landgrave of Hesse-Kassel Margravine Philippine of Brandenburg-Schwedt
(second wife)
10 January 1773 1773 Fourth cousins Frederick IV, Elector Palatine and Countess Louise Juliana of Nassau
Frederick II Eugene, Duke of Württemberg Margravine Friederike of Brandenburg-Schwedt 2 November 1753 1753 Fourth cousins once removed Joachim Frederick, Elector of Brandenburg
Frederick III, German Emperor Victoria, Princess Royal Chapel Royal, St. James's Palace, 25 January 1858 1858 Third cousins Duke Charles Louis Frederick of Mecklenburg and Princess Elisabeth Albertine of Saxe-Hildburghausen
Frederick III of Denmark Sophie Amalie of Brunswick-Lüneburg 1 October 1643 1643 Second cousins Christian III of Denmark and Dorothea of Saxe-Lauenburg
Frederick III, Duke of Holstein-Gottorp Duchess Marie Elisabeth of Saxony 21 February 1630 1630 Second cousins once removed Christian III of Denmark and Dorothea of Saxe-Lauenburg
Frederick III, Duke of Saxe-Gotha-Altenburg Princess Luise Dorothea of Saxe-Meiningen 17 September 1729 1729 First cousins Frederick I, Duke of Saxe-Gotha-Altenburg and Magdalena Sibylla of Saxe-Weissenfels
Frederick IV of Denmark Louise of Mecklenburg-Güstrow 5 December 1695 1695 Third cousins Frederick II of Denmark and Sophie of Mecklenburg-Güstrow
Frederick IV, Duke of Holstein-Gottorp Hedvig Sophia of Sweden 12 May 1698 1698 First cousins (through Frederick III of Denmark); first cousins once removed (though Frederick III, Duke of Holstein-Gottorp) Frederick III of Denmark; Frederick III, Duke of Holstein-Gottorp and Duchess Marie Elisabeth of Saxony
Frederick IV, Landgrave of Hesse-Homburg Ulrike Louise of Solms-Braunfels 10 October 1746 1746 First cousins Wilhelm Moritz, Count of Solms-Braunfels and Magdalena Sophie of Hesse-Homburg
Frederick V of the Palatinate Elizabeth Stuart, Queen of Bohemia 14 February 1613 1613 Fourth cousins Magnus II, Duke of Mecklenburg and Sophie of Pomerania, Duchess of Mecklenburg
Frederick V, Landgrave of Hesse-Homburg Landgravine Caroline of Hesse-Darmstadt 27 September 1768 1768 Fourth cousins twice removed George I, Landgrave of Hesse-Darmstadt and Magdalene of Lippe
Frederick V of Denmark Louise of Great Britain
(first wife)
11 December 1743 1743 Third cousins once removed George, Duke of Brunswick-Lüneburg and Anne Eleonore of Hesse-Darmstadt
Frederick V of Denmark Juliana Maria of Brunswick-Wolfenbüttel
(second wife)
8 July 1752 1752 Half-third cousins John Albert II, Duke of Mecklenburg
Frederick VI of Denmark Princess Marie Sophie of Hesse-Kassel Gottorp, 31 July 1790 1790 First cousins Frederick V of Denmark and Louise of Great Britain
Frederick VI, Landgrave of Hesse-Homburg Princess Elizabeth of the United Kingdom 7 April 1818 1818 Fourth cousins Albert II, Margrave of Brandenburg-Ansbach and Sophie Margarete of Oettingen-Oettingen
Frederick VII of Denmark Princess Vilhelmine Marie of Denmark
(first wife)
Copenhagen, 1 November 1828 1828 Half-second cousins Frederick V of Denmark
Frederick VII of Denmark Duchess Caroline Mariane of Mecklenburg
(second wife)
10 June 1841 1841 Third cousins once removed Adolphus Frederick II, Duke of Mecklenburg-Strelitz
Frederick VIII of Denmark Louise of Sweden 28 July 1869 1869 Sextuple fourth cousins once removed George II of Great Britain and Caroline of Ansbach[78]; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel and Princess Antoinette of Brunswick-Wolfenbüttel; Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg and Katharina Polyxena of Solms-Rödelheim[79]
Frederick IX of Denmark Princess Ingrid of Sweden Stockholm, 24 May 1935 1935 Double third cousins (through Oscar I of Sweden and Leopold, Grand Duke of Baden); fourth cousins once removed (through Paul I of Russia) Oscar I of Sweden and Josephine of Leuchtenberg; Leopold, Grand Duke of Baden and Princess Sophie of Sweden; Paul I of Russia and Sophie Dorothea of Württemberg
Frederick the Simple Constance of Aragon, Queen of Sicily 11 April 1361 1361 Second cousins once removed Peter III of Aragon
Frederick, Prince of Wales Princess Augusta of Saxe-Gotha 27 April 1736 1736 Third cousins once removed Johann II, Duke of Saxe-Weimar and Dorothea Maria of Anhalt
Prince Frederick, Duke of York and Albany Princess Frederica Charlotte of Prussia 29 September 1791 1791 Third cousins George I of Great Britain and Sophia Dorothea of Celle
Prince Frederick of the Netherlands Princess Louise of Prussia 21 May 1825 1825 First cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Prince Frederick of Prussia Princess Luise of Anhalt-Bernburg 21 November 1817 1817 Fourth cousins once removed George I of Great Britain and Sophia Dorothea of Celle
Prince Frederick of Schaumburg-Lippe Princess Louise of Denmark
(first wife)
5 May 1896 1896 Second cousins Prince William of Hesse-Kassel and Princess Charlotte of Denmark
Prince Frederick of Schaumburg-Lippe Princess Antoinette of Anhalt
(second wife)
26 May 1909 1909 Second cousins Prince William of Hesse-Kassel and Princess Charlotte of Denmark
Prince Frederick of Württemberg Princess Catherine of Württemberg 20 November 1845 1845 First cousins Frederick I of Württemberg and Duchess Augusta of Brunswick-Wolfenbüttel
Frederick, Duke of Württemberg-Neuenstadt Clara Augusta of Brunswick-Lüneburg
(daughter of Augustus the Younger, Duke of Brunswick-Lüneburg)
7 June 1653 1653 Fourth cousins once removed John Cicero, Elector of Brandenburg and Margaret of Thuringia
Frederick, Duke of Saxe-Altenburg Duchess Charlotte Georgine of Mecklenburg-Strelitz 3 September 1785 1785 Second cousins Ernest Frederick I, Duke of Saxe-Hildburghausen and Countess Sophia Albertine of Erbach-Erbach
Frederick, Prince of Hohenzollern Princess Margarete Karola of Saxony 2 June 1920 1920 Second cousins Ferdinand II of Portugal and Maria II of Portugal
Prince Frederick of Hohenzollern-Sigmaringen Princess Louise of Thurn and Taxis 21 June 1879 1879 Second cousins once removed Charles Louis, Hereditary Prince of Baden and Princess Amalie of Hesse-Darmstadt
Frederick, Margrave of Brandenburg-Bayreuth Wilhelmine of Prussia, Margravine of Brandenburg-Bayreuth November 20, 1731 1731 Half-fourth cousins twice removed John George, Elector of Brandenburg
Frederick Anton, Prince of Schwarzburg-Rudolstadt Princess Sophia Wilhelmina of Saxe-Coburg-Saalfeld 8 February 1720 1720 First cousins once removed Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Frederick August I, Duke of Oldenburg Princess Ulrike Friederike Wilhelmine of Hesse-Kassel 21 November 1752 1752 Fourth cousins once removed Joachim Frederick, Elector of Brandenburg
Prince Frederick Augustus of Anhalt-Dessau Princess Marie Luise Charlotte of Hesse-Kassel 11 September 1832 1832 Fifth cousins Albert II, Margrave of Brandenburg-Ansbach and Sophie Margarete of Oettingen-Oettingen
Frederick Augustus II, Grand Duke of Oldenburg Princess Elisabeth Anna of Prussia
(first wife)
18 February 1878 1878 Third cousins Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Frederick Augustus II, Grand Duke of Oldenburg Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin
(second wife)
24 October 1896 1896 Third cousins Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Frederick Augustus II of Saxony Archduchess Marie Caroline of Austria 7 October 1819 1819 Second cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria
Frederick Augustus III of Saxony Archduchess Louise of Austria 21 November 1891 1891 Double third cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain; Charles IV of Spain and Princess Maria Luisa of Parma
Prince Frederick Charles of Hesse Princess Margaret of Prussia 25 January 1893 1893 Double second cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz; Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach and Grand Duchess Maria Pavlovna of Russia
Frederick Charles, Duke of Württemberg-Winnental Margravine Eleonore Juliane of Brandenburg-Ansbach 31 October 1682 1682 Half-second cousins once removed John George, Elector of Brandenburg
Frederick Christian, Elector of Saxony Duchess Maria Antonia of Bavaria 13 June 1747 1747 First cousins Joseph I, Holy Roman Emperor and Wilhelmine Amalia of Brunswick-Lüneburg
Frederick Christian II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg Princess Louise Auguste of Denmark 27 May 1786 1786 Third cousins once removed Christian V of Denmark and Charlotte Amalie of Hesse-Kassel
Frederick Francis I, Grand Duke of Mecklenburg-Schwerin Princess Louise of Saxe-Gotha-Altenburg 1 June 1775 1775 Third cousins Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Frederick Francis II, Grand Duke of Mecklenburg-Schwerin Princess Anna of Hesse and by Rhine
(second wife)
4 July 1864 1864 Second cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Frederick Francis II, Grand Duke of Mecklenburg-Schwerin Princess Marie of Schwarzburg-Rudolstadt
(third wife)
4 July 1868 1868 Third cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Frederick Francis III, Grand Duke of Mecklenburg-Schwerin Grand Duchess Anastasia Mikhailovna of Russia 24 January 1879 1879 Second cousins; second cousins once removed Frederick William III of Prussia and Louise of Mecklenburg-Strelitz; Paul I of Russia and Sophie Dorothea of Württemberg
Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin Princess Alexandra of Hanover 7 June 1904 1904 Fourth cousins once removed Duke Louis of Mecklenburg-Schwerin and Princess Charlotte Sophie of Saxe-Coburg-Saalfeld
Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin Princess Caroline Louise of Saxe-Weimar-Eisenach 1 July 1810 1810 Fifth cousins once removed Johann II, Duke of Saxe-Weimar and Dorothea Maria of Anhalt
Frederick William I of Prussia Princess Sophia Dorothea of Hanover 28 November 1706 1706 First cousins Ernest Augustus, Elector of Brunswick-Lüneburg and Sophia of the Palatinate
Frederick William II of Prussia Elisabeth Christine of Brunswick-Wolfenbüttel
(first wife)
Schloss Salzdahlum, 14 July 1765 1765 Double first cousins Frederick William I of Prussia and Princess Sophia Dorothea of Hanover; Ferdinand Albert II, Duke of Brunswick-Lüneburg and Duchess Antoinette of Brunswick-Wolfenbüttel
Frederick William II of Prussia Frederika Louisa of Hesse-Darmstadt
(second wife)
14 July 1769 1769 Fifth cousins Louis V, Landgrave of Hesse-Darmstadt and Magdalene of Brandenburg
Frederick William III of Prussia Louise of Mecklenburg-Strelitz 24 December 1793 1793 Second cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Frederick William IV of Prussia Elisabeth Ludovika of Bavaria 29 November 1823 1823 Second cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Frederick William, Grand Duke of Mecklenburg-Strelitz Princess Augusta of Cambridge 28 June 1843 1843 First cousins through Prince Frederick of Hesse-Kassel; second cousins through Duke Charles Louis Frederick of Mecklenburg Prince Frederick of Hesse-Kassel and Princess Caroline of Nassau-Usingen; Duke Charles Louis Frederick of Mecklenburg and Princess Elisabeth Albertine of Saxe-Hildburghausen
Frederick William, Duke of Brunswick-Wolfenbüttel Princess Marie of Baden 1 November 1802 1802 Half-third cousins once removed John Frederick, Margrave of Brandenburg-Ansbach
Prince Frederick William of Hesse-Kassel Grand Duchess Alexandra Nikolaevna of Russia
(first wife)
28 January 1844 1844 Half-fourth cousins Adolphus Frederick II, Duke of Mecklenburg-Strelitz
Prince Frederick William of Hesse-Kassel Princess Anna of Prussia
(second wife)
26 May 1853 1853 Half-fourth cousins Adolphus Frederick II, Duke of Mecklenburg-Strelitz
Prince Frederick William of Solms-Braunfels Frederica of Mecklenburg-Strelitz 10 December 1798 1798 Fourth cousins twice removed Johann VII, Duke of Mecklenburg and Sophia of Holstein-Gottorp
Frederick William, Margrave of Brandenburg-Schwedt Princess Sophia Dorothea of Prussia 10 November 1734 1734 Half-first cousins once removed Frederick William, Elector of Brandenburg
Duke Friedrich of Württemberg Princess Marie of Wied 11 November 1993 1993 Sixth cousins once removed Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Friedrich II, Duke of Anhalt Princess Marie of Baden 2 July 1889 1889 Double third cousins once removed Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt; Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Friedrich, Prince of Waldeck and Pyrmont Princess Bathildis of Schaumburg-Lippe 9 August 1895 1895 Second cousins George I, Prince of Waldeck and Pyrmont and Princess Augusta of Schwarzburg-Sondershausen
Prince Friedrich of Saxe-Meiningen Countess Adelaide of Lippe-Biesterfeld 24 April 1889 1889 Second cousins once removed Karl Ludwig, Prince of Hohenlohe-Langenburg and Countess Amalie Henriette of Solms-Baruth
Duke Friedrich August of Oldenburg Princess Marie Cécile of Prussia 3 December 1965 1965 Fourth cousins once removed Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Friedrich Christian, Margrave of Meissen Princess Elisabeth Helene of Thurn and Taxis 16 June 1923 1923 Third cousins Maximilian I Joseph of Bavaria and Caroline of Baden
Prince Friedrich Christian of Schaumburg-Lippe Princess Marie Louise of Schleswig-Holstein-Sonderburg-Glücksburg
(daughter of Prince Albert of Schleswig-Holstein-Sonderburg-Glücksburg)
15 October 1962 1962 Second cousins George William, Prince of Schaumburg-Lippe and Princess Ida of Waldeck and Pyrmont
Friedrich Ferdinand, Duke of Schleswig-Holstein Princess Karoline Mathilde of Schleswig-Holstein-Sonderburg-Augustenburg 19 March 1885 1885 Third cousins once removed Frederick V of Denmark and Louise of Great Britain
Prince Friedrich Ferdinand of Schleswig-Holstein-Sonderburg-Glücksburg Duchess Anastasia of Mecklenburg-Schwerin 1 September 1943 1943 Second cousins once removed Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg and Princess Louise Caroline of Hesse-Kassel
Friedrich Günther, Prince of Schwarzburg Princess Sophie of Saxe-Weimar-Eisenach 7 March 1938 1938 Fifth cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Friedrich Günther, Prince of Schwarzburg-Rudolstadt Auguste of Anhalt-Dessau
(first wife)
15 April 1816 1816 First cousins Frederick V, Landgrave of Hesse-Homburg and Princess Caroline of Hesse-Darmstadt
Friedrich Günther, Prince of Schwarzburg-Rudolstadt Countess Helene of Reina
(second wife)
(daughter of Prince George Bernhard of Anhalt-Dessau)
7 August 1855 1855 First cousins once removed Frederick V, Landgrave of Hesse-Homburg and Princess Caroline of Hesse-Darmstadt
Friedrich Josias, Prince of Saxe-Coburg and Gotha Countess Viktoria-Luise of Solms-Baruth 25 January 1942 1942 First cousins Friedrich Ferdinand, Duke of Schleswig-Holstein and Princess Karoline Mathilde of Schleswig-Holstein-Sonderburg-Augustenburg
Prince Friedrich Karl of Prussia Princess Maria Anna of Anhalt-Dessau 29 November 1854 1854 Second cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Prince Friedrich Sigismund of Prussia Princess Marie Louise of Schaumburg-Lippe
(daughter of Prince Frederick of Schaumburg-Lippe)
April 27, 1916 1916 Third cousins once removed Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Friedrich Wilhelm II, Duke of Saxe-Altenburg Magdalene Sibylle of Saxony 1 October 1652 1652 Second cousins William, Duke of Jülich-Cleves-Berg and Maria of Austria, Duchess of Jülich-Cleves-Berg
Friedrich Wilhelm, Prince of Wied Princess Guda of Waldeck and Pyrmont 9 September 1958 1958 Second cousins once removed George Victor, Prince of Waldeck and Pyrmont and Princess Helena of Nassau
Friedrich Wilhelm, Prince of Hohenzollern Princess Margarita of Leiningen 5 January 1951 1951 Half-fourth cousins twice removed Charles Frederick, Grand Duke of Baden
Infante Gabriel of Spain Infanta Mariana Victoria of Portugal 12 April 1785 1785 First cousins once removed Philip V of Spain and Elisabeth Farnese
Prince Gabriel of Bourbon-Two Sicilies Princess Malgorzata Izabella Czartoryska 25 August 1927 1927 Third cousins once removed Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Prince Gaetan, Count of Girgenti Isabella, Princess of Asturias 13 May 1868 1868 First cousins once removed Francis I of the Two Sicilies and Infanta María Isabella of Spain
Gaius Caesar Livilla 1 BC 1 BC Second cousins Gaius Octavius and Atia Balba Caesonia
Gaston, Duke of Orléans Marie de Bourbon, Duchess of Montpensier
(first wife)
6 August 1626 1626 Fourth cousins John VIII, Count of Vendôme and Isabelle de Beauvau
Gaston, Duke of Orléans Marguerite of Lorraine
(second wife)
2–3 January 1632 1632 Third cousins once removed Philip I of Castile and Joanna of Castile
Gaston, Count of Marsan Marie Louise de Rohan 4 June 1736 1736 Third cousins Charles I, Duke of Elbeuf and Marguerite de Chabot
Gaston, Count of Eu Isabel, Princess Imperial of Brazil 15 October 1864 1864 Second cousins Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Geoffrey II, Duke of Brittany Constance, Duchess of Brittany July 1181 1181 Half-second cousins; third cousins Henry I of England; Malcolm III of Scotland and Saint Margaret of Scotland
Georg, Duke of Saxe-Altenburg Duchess Marie Louise of Mecklenburg-Schwerin 7 October 1825 1825 Half-third cousins once removed Adolphus Frederick II, Duke of Mecklenburg-Strelitz
Georg II, Duke of Saxe-Meiningen Princess Charlotte of Prussia
(first wife)
18 May 1850 1850 Second cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Georg II, Duke of Saxe-Meiningen Princess Feodora of Hohenlohe-Langenburg
(second wife)
23 October 1858 1858 Second cousins Christian Albrecht, Prince of Hohenlohe-Langenburg and Caroline of Stolberg-Gedern
Georg, Prince of Schaumburg-Lippe Princess Marie Anne of Saxe-Altenburg 16 April 1882 1882 Fifth cousins George II of Great Britain and Caroline of Ansbach
Prince Georg of Bavaria Archduchess Isabella of Austria 10 February 1912 1912 Third cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Georg Alexander, Duke of Mecklenburg Archduchess Ilona of Austria 20 February 1946 1946 Fifth cousins once removed Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Georg Donatus, Hereditary Grand Duke of Hesse Princess Cecilie of Greece and Denmark 2 February 1931 1931 First cousins once removed Louis IV, Grand Duke of Hesse and Princess Alice of the United Kingdom
Georg Friedrich, Prince of Prussia Princess Sophie of Isenburg Potsdam, 25 August 2011 2011 Sixth cousins once-removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Prince Georg Hartmann of Liechtenstein
(son of Prince Aloys of Liechtenstein)
Duchess Marie Christine of Württemberg
(daughter of Philipp Albrecht, Duke of Württemberg
23 September 1948 1948 Half-first cousins once removed Archduke Karl Ludwig of Austria
George Plantagenet, 1st Duke of Clarence Lady Isabel Neville Calais, France , 11 July 1469 1469 First cousins once removed Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort
George I of Greece Olga Constantinovna of Russia 27 October 1867 1867 Sextuple fourth cousins once removed George II of Great Britain and Caroline of Ansbach[80]; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel and Princess Antoinette of Brunswick-Wolfenbüttel; Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg and Katharina Polyxena of Solms-Rödelheim[81]
George I of Great Britain Duchess Sophia Dorothea of Brunswick-Celle 22 November 1682 1682 First cousins George, Duke of Brunswick-Lüneburg and Anne Eleonore of Hesse-Darmstadt
George II of Great Britain Caroline of Ansbach 22 August 1705 1705 Third cousins once removed John George, Elector of Brandenburg and Elisabeth of Anhalt-Zerbst
George II of Greece Princess Elisabeth of Romania Bucharest, 27 February 1921 1921 Second cousins (through Queen Victoria), Third cousins (through Nicholas I of Russia) Queen Victoria and Albert, Prince Consort; Nicholas I of Russia and Charlotte of Prussia
George II, Landgrave of Hesse-Darmstadt Sophia Eleonore of Saxony April 1, 1627 1627 Half-first cousins once removed John George, Elector of Brandenburg
George III of the United Kingdom Charlotte of Mecklenburg-Strelitz 08 Sept 1761 1761 Half-second cousins twice removed (through Adolf Frederick I, Duke of Mecklenburg); Third cousins (through Ernest I, Duke of Saxe-Gotha) Fourth cousins twice removed (through Edzard II, Count of East Frisia) Adolf Frederick I, Duke of Mecklenburg; Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg; Edzard II, Count of East Frisia and Catherine Vasa of Sweden
George IV of the United Kingdom Princess Caroline of Brunswick-Wolfenbüttel Chapel Royal, St. James's Palace, 8 April 1795 1795 First cousins Frederick, Prince of Wales and Princess Augusta of Saxe-Gotha-Altenburg
George V of the United Kingdom Princess Mary of Teck Chapel Royal, St. James's Palace, 6 July 1893 1893 Double second cousins once removed George III of the United Kingdom and Charlotte of Mecklenburg-Strelitz; Prince Frederick of Hesse-Kassel and Princess Caroline of Nassau-Usingen
George V of Hanover Marie of Saxe-Altenburg 18 February 1843 1843 First cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
George, King of Saxony Infanta Maria Anna of Portugal 11 May 1859 1859 Third cousins once removed Francis I, Holy Roman Emperor and Maria Theresa of Austria
George, Duke of Saxony Barbara Jagiellon 21 November 1496 1496 Second cousins twice removed Algirdas
George, Grand Duke of Mecklenburg-Strelitz Princess Marie of Hesse-Kassel 12 August 1817 1817 Fourth cousins Albert II, Margrave of Brandenburg-Ansbach and Sophie Margarete of Oettingen-Oettingen
Prince George, Duke of Kent Princess Marina of Greece and Denmark Westminster Abbey 29 November 1934 1934 Second cousins Christian IX of Denmark and Louise of Hesse-Kassel
George Maximilianovich, 6th Duke of Leuchtenberg Duchess Therese Petrovna of Oldenburg 12 May 1879 1879 Second cousins Paul I of Russia and Sophie Dorothea of Württemberg
Grand Duke George Mikhailovich of Russia Princess Maria of Greece and Denmark 30 April 1900 1900 First cousins once removed Nicholas I of Russia and Charlotte of Prussia
George Victor, Prince of Waldeck and Pyrmont Princess Helena of Nassau
(first wife)
26 September 1853 1853 Second cousins Charles Christian, Prince of Nassau-Weilburg and Princess Carolina of Orange-Nassau
George Victor, Prince of Waldeck and Pyrmont Princess Louise of Schleswig-Holstein-Sonderburg-Glücksburg
(second wife)
29 April 1891 1891 First cousins once removed George I, Prince of Waldeck and Pyrmont and Princess Augusta of Schwarzburg-Sondershausen
Prince George William of Hesse-Darmstadt Countess Maria Louise Albertine of Leiningen-Falkenburg-Dagsburg 16 March 1748 1748 Third cousins Christian I, Count Palatine of Birkenfeld-Bischweiler and Countess Palatine Magdalene Catherine of Zweibrücken
Gian Galeazzo Visconti, Duke of Milan Caterina Visconti Church of San Giovanni in Conca, 2 October 1380 1380 First cousins Stefano Visconti and Valentina Doria
Gottfried, Prince of Hohenlohe-Langenburg Princess Margarita of Greece and Denmark 20 April 1931 1931 Second cousins once removed (through Queen Victoria); Third cousins (through Nicholas I of Russia); Third cousins once removed (through Duke Louis of Württemberg); Queen Victoria and Albert, Prince Consort; Nicholas I of Russia and Charlotte of Prussia; Duke Louis of Württemberg and Princess Henriette of Nassau-Weilburg
Archduke Gottfried of Austria Princess Dorothea of Bavaria 2 August 1938 1938 Half-second cousins once removed Leopold II, Grand Duke of Tuscany and Princess Maria Antonia of the Two Sicilies
Prince Guillaume of Luxembourg Sibilla Sandra Weiller y Torlonia 8 September 1994 1994 Triple fifth cousins once removed (through Charles IV of Spain; Francis, Duke of Saxe-Coburg-Saalfeld; and Frederick William, Prince of Nassau-Weilburg)
Half-fifth cousins once removed (through Francis I of the Two Sicilies)
Charles IV of Spain and Princess Maria Luisa of Parma; Francis I of the Two Sicilies; Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf; Frederick William, Prince of Nassau-Weilburg and Burgravine Louise Isabelle of Kirchberg
Gustaf V of Sweden Victoria of Baden 20 September 1881 1881 Third cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Gustaf VI Adolf of Sweden Princess Margaret of Connaught
(first wife)
15 June 1905 1905 Third cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Gustaf VI Adolf of Sweden Louise Mountbatten
(second wife)
3 November 1923 1923 Fourth cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Prince Gustaf Adolf, Duke of Västerbotten Princess Sibylla of Saxe-Coburg and Gotha 20 October 1932 1932 Second cousins Queen Victoria and Albert, Prince Consort
Gustav III of Sweden Sophia Magdalena of Denmark 1 October 1766 1766 Second cousins George I of Great Britain and Sophia Dorothea of Celle
Gustav, Prince of Vasa Princess Louise Amelie of Baden 9 November 1830 1830 First cousins Charles Louis, Hereditary Prince of Baden and Princess Amalie of Hesse-Darmstadt
Gustavus Adolphus of Sweden Maria Eleonora of Brandenburg 25 November 1620 1620 Third cousins once removed Christian I of Denmark and Dorothea of Brandenburg
Haakon VI of Norway Margaret I of Denmark 9 April 1363 1363 Fourth cousins once removed Valdemar II of Denmark and Berengaria of Portugal
Haakon VII of Norway Princess Maud of Wales Buckingham Palace, 22 July 1896 1896 First cousins Christian IX of Denmark and Louise of Hesse-Kassel
Hadrian Vibia Sabina 100 100 Second cousins once removed Traianus
Şehzade Halil Irene Palaiologina
(daughter of John V Palaiologos)
28 May 1347 1347 First cousins John VI Kantakouzenos, Byzantine Emperor and Irene Asanina
Hans-Adam I, Prince of Liechtenstein Erdmuthe Maria Theresia of Dietrichstein 16 February 1681 1681 First cousins Maximilian, Prince of Dietrichstein and Princess Anna Maria of Liechtenstein
Hans-Adam II, Prince of Liechtenstein Marie Aglaë, Countess Kinsky von Wchinitz und Tettau 30 July 1967 1967 Second cousins once removed Ferdinand Bonaventura, 7th Prince Kinsky of Wchinitz and Tettau and Princess Maria of Liechtenstein
Prince Harald of Denmark Princess Helena Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg 28 April 1909 1909 Second cousins Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg and Princess Louise Caroline of Hesse-Kassel
Prince Heinrich I Reuss of Köstritz Duchess Woizlawa Feodora of Mecklenburg 15 September 1939 1939 Fourth cousins Paul I of Russia and Sophie Dorothea of Württemberg
Heinrich XXII, Prince Reuss of Greiz Princess Ida of Schaumburg-Lippe 8 October 1872 1872 Second cousins once removed Charles Christian, Prince of Nassau-Weilburg and Princess Carolina of Orange-Nassau
Heinrich XXVII, Prince Reuss Younger Line Princess Elise of Hohenlohe-Langenburg 11 November 1884 1884 Second cousins (through Karl Ludwig, Prince of Hohenlohe-Langenburg}; Third cousins (through Frederick II Eugene, Duke of Württemberg) Karl Ludwig, Prince of Hohenlohe-Langenburg and Countess Amalie Henriette of Solms-Baruth; Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Prince Heinrich XXXIII Reuss of Köstritz Princess Victoria Margaret of Prussia 17 May 1913 1913 Fourth cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Prince Heinrich XXXV Reuss of Köstritz
(son of Heinrich VII, Prince Reuss of Köstritz)
Princess Maria of Saxe-Altenburg
(daughter of Prince Albert of Saxe-Altenburg)
20 April 1911 1911 Second cousins once removed Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach and Grand Duchess Maria Pavlovna of Russia
Henri, Count of Chambord Archduchess Maria Theresa of Austria-Este 16 November 1846 1846 Second cousins Victor Amadeus III of Sardinia and Maria Antonia Ferdinanda of Spain
Henri d'Orléans, Duke of Aumale Princess Maria Carolina of Bourbon-Two Sicilies 25 November 1844 1844 First cousins Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Henri, Count of Paris Princess Isabelle of Orléans-Braganza 8 April 1931 1931 Double third cousins Louis Philippe I and Maria Amalia of Naples and Sicily; Pedro I of Brazil and Maria Leopoldina of Austria
Henri d'Orléans, Count of Paris Duchess Marie-Thérèse of Württemberg 5 July 1957 1957 Double fourth cousins Louis Philippe I and Maria Amalia of Naples and Sicily; Francis I of the Two Sicilies and Infanta María Isabella of Spain
Henri, Prince of Condé Marie of Cleves, Princess of Condé
(first wife)
1572 1572 First cousins Charles, Duke of Vendôme and Françoise d'Alençon
Henri, Prince of Condé Charlotte Catherine de La Trémoille
(second wife)
6 March 1586 1586 Second cousins once removed Guillaume, seigneur de Montmorency
Henri, Prince of Condé Charlotte Marguerite de Montmorency 1609 1609 First cousins once removed Anne de Montmorency and Madeleine of Savoy
Henri Jules, Prince of Condé Anne Henriette of Bavaria 11 December 1663 1663 Fourth cousins Charles, Duke of Vendôme and Françoise d'Alençon
Princess Henrietta Anne of England Philippe I, Duke of Orléans 31 March 1661 1661 First cousins Henry IV of France and Marie de' Medici
Henry I, Duke of Guise Catherine of Cleves 4 October 1570 1570 Second cousins Francis, Count of Vendôme and Marie of Luxembourg, Countess of Vendôme
Henry I of Castile Mafalda of Portugal 1215 1215 Second cousins once removed Ramon Berenguer III, Count of Barcelona and Douce I, Countess of Provence
Henry I of Navarre Blanche of Artois February 1269 1269 Double third cousins once removed Theobald II, Count of Champagne; Alfonso VII of León
Henry I of England Matilda of Scotland
(first wife)
11 November 1100 1100 Third cousins (through Malcolm II of Scotland); Half-sixth cousins (through Edward the Elder) Malcolm II of Scotland; Edward the Elder
Henry I of England Adeliza of Louvain
(second wife)
24 January 1121 1121 Fourth cousins Mathilde von Sachsen
Henry II of England Eleanor of Aquitaine 18 May 1152 1152 Half-third cousins Ermengarde of Anjou
Henry II, Duke of Lorraine Catherine de Bourbon
(first wife)
31 January 1599 1599 Second cousins once removed Charles, Count of Angoulême and Louise of Savoy
Henry II, Duke of Lorraine Margherita Gonzaga, Duchess of Lorraine
(second wife)
24 April 1606 1606 Third cousins Philip I of Castile and Joanna of Castile
Henry III of England Eleanor of Provence 14 January 1236 1236 Fourth cousins Humbert II, Count of Savoy and Gisela of Burgundy, Marchioness of Montferrat
Henry III, Duke of Mecklenburg Ingeborg of Denmark, Duchess of Mecklenburg 1362 1362 Third cousins; Fourth cousins once removed Barnim I, Duke of Pomerania; Valdemar II of Denmark and Berengaria of Portugal
Henry IV of England Mary de Bohun
(first wife)
27 July 1380 1380 Second cousins (through Henry, 3rd Earl of Lancaster);
Third cousins (through Edward I of England
Henry, 3rd Earl of Lancaster and Maud Chaworth; Edward I of England and Eleanor of Castile
Henry IV of England Joan of Navarre
(second wife)
7 February 1403 1403 Third cousins Philip IV of France and Joan I of Navarre
Henry IV of France Margaret of Valois
(first wife)
Notre Dame Cathedral, 18 August 1572 1572 Second cousins Charles, Count of Angoulême and Louise of Savoy
Henry IV of France Marie de' Medici
(second wife)
17 December 1600 1600 Fourth cousins Gaston IV, Count of Foix and Eleanor of Navarre
Henry IV of Castile Blanche II of Navarre
(first wife)
1440 1440 First cousins Ferdinand I of Aragon and Eleanor of Alburquerque
Henry IV of Castile Joan of Portugal
(second wife)
21 May 1455 1455 First cousins (though Ferdinand I of Aragon); Half-second cousins (through John of Gaunt) Ferdinand I of Aragon and Eleanor of Alburquerque; John of Gaunt
Henry V of England Catherine of Valois 2 June 1420 1420 Third cousins once removed Charles, Count of Valois
Henry VI of England Margaret of Anjou Titchfield, Hampshire, 23 April 1445 1445 Third cousins John II of France and Bonne of Luxembourg
Henry VII of England Elizabeth of York Westminster Abbey, 18 January 1486 1486 Third cousins John of Gaunt and Katherine de Roet
Henry VIII of England Catherine of Aragon
(first wife)
Greenwich Palace, 11 June 1509
(annulled 23 May 1533)
1509 Half-third cousins once removed (through John of Gaunt);
Double fourth cousins (through Peter of Castile)
John of Gaunt; Peter of Castile and María de Padilla
Henry VIII of England Anne Boleyn
(second wife)
Westminster Abbey, 25 January 1533
(annulled 17 May 1536)
1533 Fifth cousins once removed; Half-seventh cousins once removed Richard FitzAlan, 10th Earl of Arundel; Edward I of England
Henry VIII of England Jane Seymour
(third wife)
York Place, 30 May 1536 1536 Fifth cousins Philippa, 5th Countess of Ulster and Edmund Mortimer, 3rd Earl of March
Henry VIII of England Catherine Howard
(fifth wife)
Oatlands Palace, 28 July 1540
(annulled 23 November 1541)
1540 Fifth cousins once removed; Half-seventh cousins once removed Richard FitzAlan, 10th Earl of Arundel; Edward I of England
Henry VIII of England Catherine Parr
(sixth wife)
Hampton Court Palace, London, 12 July 1543 1543 Third cousins (through Sir Richard Wydeville);
Third cousins once removed (through Lady Joan Beaufort)
Double fourth cousins once removed (through Thomas Holland, 2nd Earl of Kent and John of Gaunt)
Sir Richard Wydeville; Lady Joan Beaufort; Thomas Holland, 2nd Earl of Kent and Alice FitzAlan, Countess of Kent; John of Gaunt and Katherine de Roet
Henry the Young King Margaret of France, Queen of England and Hungary 27 August 1172 1172 Fourth cousins Robert I, Duke of Burgundy
Prince Henry of the Netherlands Princess Amalia of Saxe-Weimar-Eisenach
(first wife)
19 May 1853 1853 Fourth cousins Frederick William I of Prussia and Princess Sophia Dorothea of Hanover
Prince Henry of the Netherlands Princess Marie of Prussia
(second wife)
23 August 1878 1878 First cousins twice removed (though Paul I of Russia); second cousins once removed (through Frederick William II of Prussia) Paul I of Russia and Sophie Dorothea of Württemberg; Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Prince Henry, Count of Bardi Princess Maria Luisa of Bourbon-Two Sicilies
(first wife)
25 November 1873 1873 Half-first cousins once removed Francis I of the Two Sicilies
Prince Henry, Count of Bardi Infanta Adelgundes, Duchess of Guimarães
(second wife)
15 October 1876 1876 Second cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Henry, Duke of Villena Infanta Catherine, Duchess of Villena November 1418 1418 First cousins John I of Castile and Eleanor of Aragon, Queen of Castile
Prince Henry of Prussia Princess Wilhelmina of Hesse-Kassel 25 June 1752 1752 Fourth cousins once removed Louis V, Landgrave of Hesse-Darmstadt and Magdalene of Brandenburg
Henry the Lion Clementia of Zähringen
(first wife)
1147 1147 Third cousins once removed Bernard II, Duke of Saxony and Eilika of Schweinfurt
Henry the Lion Matilda of England, Duchess of Saxony
(second wife)
1 February 1168 1168 Third cousins twice removed; fourth cousins once removed Baldwin IV, Count of Flanders; Richard II, Duke of Normandy
Henry Julius, Duke of Brunswick-Lüneburg Dorothea of Saxony
(first wife)
26 September 1585 1585 Third cousins John Cicero, Elector of Brandenburg and Margaret of Thuringia
Henry Julius, Duke of Brunswick-Lüneburg Elizabeth of Denmark, Duchess of Brunswick-Wolfenbüttel
(second wife)
19 April 1590 1590 Second cousins once removed Joachim I Nestor, Elector of Brandenburg and Elizabeth of Denmark, Electress of Brandenburg
Archduke Hubert Salvator of Austria Princess Rosemary of Salm-Salm 25 November 1926 1926 Fourth cousins Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Prince Hubertus of Prussia Princess Magdalena Reuss of Köstritz 5 June 1943 1943 Third cousins Heinrich LXIII, Prince Reuss of Köstritz
Princess Iniga of Thurn and Taxis Prince Eberhard von Urach
(son of Wilhelm Karl, Duke of Urach)
18 May 1948 1948 Second cousins once removed Duke Maximilian Joseph in Bavaria and Princess Ludovika of Bavaria
Princess Irene of Hesse and by Rhine Prince Henry of Prussia 24 May 1888 1888 First cousins (through Queen Victoria);
Third cousins (through Frederick William II of Prussia);
Queen Victoria and Albert, Prince Consort; Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Princess Isabel Alfonsa of Bourbon-Two Sicilies Jan Kanty Zamoyski 9 March 1929 1929 First cousins once removed Prince Francis, Count of Trapani and Archduchess Maria Isabella of Austria
Isabella I of Castile Ferdinand II of Aragon Palacio de los Vivero, Valladolid, 19 October 1469 1469 Second cousins John I of Castile and Eleanor of Aragon, Queen of Castile
Isabella II of Spain Francis, Duke of Cádiz 10 October 1846 1846 Double first cousins Charles IV of Spain and Princess Maria Luisa of Parma; Francis I of the Two Sicilies and Infanta María Isabella of Spain
Jacqueline, Countess of Hainaut John, Duke of Touraine
(first husband)
6 August 1415 1415 Second cousins John II of France and Bonne of Luxembourg
Jacqueline, Countess of Hainaut John IV, Duke of Brabant
(second husband)
10 March 1418 1418 First cousins Philip the Bold and Margaret III, Countess of Flanders
Jacqueline, Countess of Hainaut Humphrey, Duke of Gloucester
(third husband)
15 October 1423 1423 Third cousins William I, Count of Hainaut and Joan of Valois, Countess of Hainaut
Jacques of Savoy, Count of Romont Marie of Luxembourg, Countess of Vendôme 1484 1484 Second cousins once removed[67] John I, Count of La Marche and Catherine of Vendôme
James I of England Anne of Denmark Old Bishop's Palace in Oslo, 23 November 1589 1589 Third cousins once removed Christian I of Denmark and Dorothea of Brandenburg
James I of Scotland Joan Beaufort, Queen of Scots 12 February 1424 1424 Fifth cousins once removed John Fitzgeoffrey and Isabel Bigod
James I of Aragon Eleanor of Castile 1221 1221 Second cousins Alfonso VII of León
James II of England Mary of Modena
(second wife)
21 November 1673 1673 Third cousins once removed; Fourth cousins twice removed Cosimo I de' Medici, Grand Duke of Tuscany; Philip I of Castile and Joanna of Castile
James II of Scotland Mary of Guelders 3 July 1449 1449 Fourth cousins once removed William I, Count of Hainaut and Joan of Valois, Countess of Hainaut
James II, Count of Urgell Isabella of Aragon, Countess of Urgell 29 June 1407 1407 First cousins once removed Alfonso IV of Aragon
James II of Aragon Isabella of Castile, Queen of Aragon 1 December 1291 1291 First cousins once removed James I of Aragon
James III of Majorca Constance of Aragon, Queen of Majorca 24 September 1336 1336 Second cousins once removed James I of Aragon
James III of Scotland Margaret of Denmark, Queen of Scotland July 1469 1469 Fifth cousins Louis IV, Holy Roman Emperor
James IV of Scotland Margaret Tudor Holyrood Abbey, Edinburgh, 8 August 1503 1503 Third cousins John Beaufort, 1st Earl of Somerset and Margaret Holland, Duchess of Clarence
James V of Scotland Madeleine of Valois
(first wife)
1 January 1537 1537 Third cousins once removed Adolph I, Duke of Cleves and Mary of Burgundy, Duchess of Cleves
James V of Scotland Mary of Guise
(second wife)
May 18, 1538 1538 Third cousins Arnold, Duke of Guelders and Catherine of Cleves
James Francis Edward Stuart Maria Clementina Sobieska 3 September 1719 1719 Fourth cousins once removed Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Jean, Grand Duke of Luxembourg Princess Joséphine Charlotte of Belgium 9 April 1953 1953 Second cousins once removed Miguel I of Portugal and Adelaide of Löwenstein-Wertheim-Rosenberg
Prince Jean, Duke of Guise Princess Isabelle of Orléans 30 October 1899 1899 First cousins Ferdinand Philippe, Duke of Orléans and Duchess Helene of Mecklenburg-Schwerin
Jean-Christophe, Prince Napoléon Olympia von und zu Arco-Zinneberg 17 October 2019 2019 Fourth cousins once removed Victor Emmanuel II of Italy and Adelaide of Austria
Prince Joachim of Prussia Princess Marie-Auguste of Anhalt 11 March 1916 1916 Double fourth cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt; Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Joachim I Nestor, Elector of Brandenburg Elizabeth of Denmark, Electress of Brandenburg 10 April 1502 1502 Double second cousins once removed Frederick I, Elector of Brandenburg and Elisabeth of Bavaria, Electress of Brandenburg; Frederick I, Elector of Saxony and Catherine of Brunswick-Lüneburg
Joachim II Hector, Elector of Brandenburg Magdalena of Saxony
(first wife)
6 November 1524 1524 Second cousins once removed Frederick II, Elector of Saxony and Margaret of Austria, Electress of Saxony
Joachim II Hector, Elector of Brandenburg Hedwig Jagiellon, Electress of Brandenburg
(second wife)
1 September 1535 1535 Second cousins once removed Albert II of Germany and Elizabeth of Luxembourg
Joan of Acre Gilbert de Clare, 7th Earl of Gloucester 30 April 1290 1290 Half-fifth cousins Henry I of England
Joanna I of Naples Andrew, Duke of Calabria
(first husband)
26 September 1333 1333 Second cousins Charles II of Naples and Mary of Hungary, Queen of Naples
Joanna I of Naples Louis I of Naples
(second husband)
22 August 1347 1347 First cousins (through Charles, Count of Valois); first cousins once removed (through Charles II of Naples) Charles, Count of Valois; Charles II of Naples and Mary of Hungary, Queen of Naples
Joanna I of Naples James IV of Majorca
(third husband)
September 26, 1363 1363 Second cousins once removed Peter III of Aragon
João I, Duke of Braganza Catherine, Duchess of Braganza 1563 1563 First cousins Jaime, Duke of Braganza
João of Braganza, Marquis of Montemor-o-Novo Isabel of Noronha 25 July 1460 1460 Half-third cousins Peter I of Portugal
Johann VII, Duke of Mecklenburg Sophia of Holstein-Gottorp 17 February 1588 1588 Half-first cousins once removed Frederick I of Denmark
Prince Johann von Nepomuk of Thurn and Taxis (father of Prince Friedrich of Thurn and Taxis) Princess Maria Julia of Lobkowicz 26 January 1939 1939 Second cousins Ferdinand Bonaventura, 7th Prince Kinsky of Wchinitz and Tettau and Princess Maria of Liechtenstein
Prince Johann Georg of Hohenzollern Princess Birgitta of Sweden 25 May 1961 1961 Octuple fifth cousins; Double fifth cousins once removed Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf[82][83]
Prince Johann Georg of Saxony Duchess Maria Isabella of Württemberg
(first wife)
5 April 1894 1894 Double third cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain; Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Prince Johann Georg of Saxony Princess Maria Immaculata of Bourbon-Two Sicilies
(second wife)
30 October 1906 1906 Double third cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain; Charles IV of Spain and Princess Maria Luisa of Parma
Johann Nepomuk Karl, Prince of Liechtenstein Countess Maria Josepha of Harrach-Rohrau
(daughter of Friedrich August von Harrach-Rohrau)
19 March 1744 1744 First cousins Anton Florian, Prince of Liechtenstein and Countess Eleonore Barbara of Thun-Hohenstein
Johann Wilhelm, Elector Palatine Archduchess Maria Anna Josepha of Austria
(first wife)
25 October 1678 1678 Second cousins William V, Duke of Bavaria and Renata of Lorraine
Johann Wilhelm, Elector Palatine Anna Maria Luisa de' Medici
(second wife)
29 April 1691 1691 Third cousins once removed Albert V, Duke of Bavaria and Archduchess Anna of Austria
Prince Johannes Heinrich of Saxe-Coburg and Gotha Princess Mathilde of Saxony 12 November 1968 1968 Third cousins Leopold II, Grand Duke of Tuscany and Princess Maria Antonia of the Two Sicilies
John, King of Denmark Christina of Saxony 6 September 1478 1478 Fourth cousins Stephen II, Duke of Bavaria and Elisabeth of Sicily, Duchess of Bavaria
John, King of England Isabella, Countess of Gloucester
(first wife)
8 September 1176 1176 Half-second cousins Henry I of England
John, King of England Isabella of Angoulême
(second wife)
24 August 1200 1200 Fourth cousins once removed Roger de Montgomerie and Mabel de Bellême
John I of Portugal Philippa of Lancaster 11 February 1387 1387 Fourth cousins once removed James I of Aragon
John I of Aragon Martha of Armagnac
(first wife)
24 June 1373 1373 Fourth cousins once removed Louis VIII of France and Blanche of Castile
John I of Aragon Violant of Bar
(second wife)
2 February 1380 1380 Third cousins once removed Charles II of Naples
John I of Castile Eleanor of Aragon, Queen of Castile
(first wife)
18 June 1375 1375 Third cousins once removed Peter III of Aragon
John I of Castile Beatrice of Portugal
(second wife)
14 May 1383 1383 Second cousins once removed Manuel of Castile
John I, Count of Holland Elizabeth of Rhuddlan 8 January 1297 1297 Third cousins twice removed Henry II of England and Eleanor of Aquitaine
John II of Portugal Eleanor of Viseu 22 January 1470 1470 First cousins Edward, King of Portugal and Eleanor of Aragon, Queen of Portugal
John II of Castile Maria of Aragon, Queen of Castile
(first wife)
1418 1418 First cousins John I of Castile and Eleanor of Aragon, Queen of Castile
John II of Castile Isabella of Portugal, Queen of Castile
(second wife)
22 July 1447 1447 Half-first cousins once removed John of Gaunt
John II of Aragon Blanche I of Navarre
(first wife)
6 November 1419 1419 First cousins once removed Henry II of Castile
John II of Aragon Juana Enríquez
(second wife)
1 April 1444 1444 Second cousins once removed Alfonso XI of Castile
John II, Marquess of Montferrat Isabella of Majorca 4 September 1358 1358 Third cousins once removed James I of Aragon
John II, Duke of Brabant Margaret of England, Duchess of Brabant 8 July 1290 1290 Sixth cousins William the Conqueror and Matilda of Flanders
John II, Duke of Brittany Beatrice of England 22 January 1260 1260 Fourth cousins Alfonso VII of León
John III of Portugal Catherine of Austria 10 February 1525 1525 First cousins Ferdinand II of Aragon and Isabella I of Castile
John IV, Marquess of Montferrat Margaret of Savoy, Countess of Saint-Pol December 1458 1458 Second cousins once removed Amadeus VI, Count of Savoy and Bonne of Bourbon
John IV, Duke of Brittany Mary of Waltham
(first wife)
3 July 1361 1361 Third cousins Henry III of England and Eleanor of Provence
John IV, Duke of Brittany Joan Holland, Duchess of Brittany
(second wife)
May 1366 1366 Third cousins Henry III of England and Eleanor of Provence
John IV, Duke of Brittany Joan of Navarre, Queen of England
(third wife)
2 October 1386 1386 Fourth cousins once removed Theobald I of Navarre
John V Palaiologos, Byzantine Emperor Helena Kantakouzene Constantinople, 28 May 1347 1347 Second cousins Michael VIII Palaiologos, Byzantine Emperor and Theodora Palaiologina
John V of Portugal Maria Anna of Austria 27 October 1708 1708 First cousins Philip William, Elector Palatine and Landgravine Elisabeth Amalie of Hesse-Darmstadt
John VI of Portugal Carlota of Spain 8 May 1785 1785 Second cousins Philip V of Spain and Elisabeth Farnese
John of Gaunt Blanche of Lancaster
(first wife)
Reading Abbey, Reading, Berkshire, 19 May 1359 1359 Third cousins Henry III of England and Eleanor of Provence
John of Gaunt Infanta Constance of Castile
(second wife)
Roquefort, 21 September 1371 1371 Third cousins twice removed Ferdinand III of Castile
John of Lancaster, 1st Duke of Bedford Anne of Burgundy 13 May 1423 1423 Fifth cousins Philip III of France
John, Duke of Östergötland Princess Maria Elizabeth of Sweden 29 November 1612 1612 First cousins Gustav I of Sweden and Margaret Leijonhufvud
John, Prince of Asturias Margaret of Austria, Duchess of Savoy 20 January 1495 1495 Third cousins John I of Portugal and Philippa of Lancaster
John Adolf, Duke of Holstein-Gottorp Augusta of Denmark 30 August 1596 1596 Double First cousins once removed Frederick I of Denmark; Anna of Brandenburg
Duke John Albert of Mecklenburg Princess Elisabeth Sybille of Saxe-Weimar-Eisenach 6 November 1886 1886 Second cousins once removed Paul I of Russia and Sophie Dorothea of Württemberg
John Casimir, Count Palatine of Kleeburg Catherine of Sweden, Countess Palatine of Kleeburg 11 June 1615 1615 Second cousins Philip I, Landgrave of Hesse and Christine of Saxony
John Christian, Count Palatine of Sulzbach Maria Henriette de La Tour d'Auvergne
(first wife)
15 February 1722 1722 Fifth cousins once removed William I, Count of Nassau-Dillenburg
John Christian, Count Palatine of Sulzbach Landgravine Eleonore of Hesse-Rotenburg
(second wife)
21 January 1731 1731 Third cousins Maurice, Landgrave of Hesse-Kassel
John Frederick, Duke of Württemberg Barbara Sophie of Brandenburg 5 November 1609 1609 Third cousins Joachim I Nestor, Elector of Brandenburg and Elizabeth of Denmark, Electress of Brandenburg
John Frederick II, Duke of Saxony Agnes of Hesse 26 May 1555 1555 Third cousins Frederick II, Elector of Saxony and Margaret of Austria, Electress of Saxony
John George I, Elector of Saxony Duchess Magdalene Sibylle of Prussia 19 July 1607 1607 Third cousins Joachim I Nestor, Elector of Brandenburg and Elizabeth of Denmark, Electress of Brandenburg
John George II, Elector of Saxony Margravine Magdalene Sibylle of Brandenburg-Bayreuth 13 November 1638 1638 Second cousins once removed Joachim II Hector, Elector of Brandenburg
John George III, Elector of Saxony Princess Anna Sophie of Denmark 9 October 1666 1666 Second cousins once removed; triple third cousins John George, Elector of Brandenburg; Elisabeth of Anhalt-Zerbst
John Manuel, Prince of Portugal Archduchess Joan of Austria Lisbon, 20 January 1554 1554 Double first cousins Philip I of Castile and Joanna of Castile; Manuel I of Portugal and Maria of Aragon
José, Prince of Brazil Infanta Benedita of Portugal 21 February 1777 1777 First cousins[84] John V of Portugal and Maria Anna of Austria
Joseph I of Portugal Mariana Victoria of Spain 19 January 1729 1729 Second cousins; third cousins once removed Philip William, Elector Palatine and Landgravine Elisabeth Amalie of Hesse-Darmstadt; Philip III of Spain and Margaret of Austria
Joseph I, Holy Roman Emperor Wilhelmine Amalia of Brunswick-Lüneburg 24 February 1699 1699 Fifth cousins twice removed Christian I of Denmark and Dorothea of Brandenburg
Joseph II, Holy Roman Emperor Princess Isabella of Parma
(first wife)
6 October 1760 1760 Third cousins once removed Louis XIII of France and Anne of Austria
Joseph II, Holy Roman Emperor Maria Josepha of Bavaria
(second wife)
13 January 1765 1765 Second cousins Leopold I, Holy Roman Emperor and Eleonor Magdalene of Neuburg
Archduke Joseph August of Austria Princess Auguste of Bavaria 15 November 1893 1893 Second cousins twice removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Archduke Joseph Francis of Austria Princess Anna of Saxony 4 October 1926 1926 Half-second cousins once removed Leopold II, Grand Duke of Tuscany
Joseph Johann Adam, Prince of Liechtenstein Princess Maria Gabriele of Liechtenstein
(daughter of Hans-Adam I, Prince of Liechtenstein)
1 December 1712 1712 Second cousins once removed Prince Hartmann II of Liechtenstein and Countess Anna Maria of Ortenburg
Archduke Joseph Karl of Austria Princess Clotilde of Saxe-Coburg and Gotha 12 May 1864 1864 Second cousins once removed Charles III of Spain and Maria Amalia of Saxony
Archduke Joseph Karl of Austria
(son of Archduke Joseph Árpád of Austria)
Princess Margarete von Hohenberg
(granddaughter of Maximilian, Duke of Hohenberg)
28 December 1990 1990 Fourth cousins once removed Archduke Franz Karl of Austria and Princess Sophie of Bavaria
Joseph Wenzel I, Prince of Liechtenstein Anna Maria of Liechtenstein 1718 1718 First cousins Prince Hartmann III of Liechtenstein
(son of Gundakar, Prince of Liechtenstein) and Countess Sidonie Elisabeth of Salm-Reifferscheidt
Josias, Hereditary Prince of Waldeck and Pyrmont Duchess Altburg of Oldenburg 25 August 1922 1922 Third cousins Victor II, Prince of Anhalt-Bernburg-Schaumburg-Hoym and Amelia of Nassau-Weilburg
Infante Juan, Count of Barcelona Princess María de las Mercedes of Bourbon-Two Sicilies 12 October 1935 1935 Third cousins Ferdinand VII of Spain and Maria Christina of the Two Sicilies
Juan, Count of Montizón Archduchess Maria Beatrix of Austria-Este
(daughter of Francis IV, Duke of Modena)
6 February 1847 1847 Third cousins Philip V of Spain and Elisabeth Farnese
Juan Carlos I of Spain Princess Sophia of Greece and Denmark Church of Saint Dennis, Athens, 14 May 1962 1962 Third cousins; third cousins once removed Queen Victoria and Albert, Prince Consort
Julia Nero Caesar
(first husband)
AD 20 20 First cousins Nero Claudius Drusus and Antonia Minor
Julia the Elder Marcus Claudius Marcellus Rome, 25 BC 25 BC First cousins Gaius Octavius and Atia Balba Caesonia
Julia the Younger Lucius Aemilius Paullus BC 5 BC 5 Half-first cousins Scribonia
Julia Drusilla Marcus Aemilius Lepidus November 37 37 First cousins Marcus Vipsanius Agrippa and Julia the Elder
Julia Flavia Titus Flavius Sabinus Second cousins Titus Flavius Sabinus and Vespasia Polla
Julian Helena 6 November 355 355 Half-first cousins Constantius Chlorus
Karl, Duke of Schleswig-Holstein-Sonderburg-Glücksburg Princess Vilhelmine Marie of Denmark 19 May 1838 1838 First cousins Prince Charles of Hesse-Kassel and Princess Louise of Denmark
Karl, Prince of Leiningen Grand Duchess Maria Kirillovna of Russia 25 November 1925 1925 Half-third cousins Princess Victoria of Saxe-Coburg-Saalfeld
Prince Karl of Leiningen Princess Marie Louise of Bulgaria 14 February 1957 1957 Fourth cousins once removed Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf
Prince Karl Alfred of Liechtenstein Archduchess Agnes Christina of Austria 17 February 1949 1949 Second cousins once removed Archduke Franz Karl of Austria and Princess Sophie of Bavaria
Prince Karl Anton of Hohenzollern Princess Joséphine Caroline of Belgium 28 May 1894 1894 First cousins Karl Anton, Prince of Hohenzollern and Princess Josephine of Baden
Karl Anton August, Prince of Schleswig-Holstein-Sonderburg-Beck Countess Charlotte of Dohna-Schlodien Königsberg, 30 May 1754 1754 First cousins Frederick Louis, Duke of Schleswig-Holstein-Sonderburg-Beck and Louise Charlotte of Schleswig-Holstein-Sonderburg-Augustenburg
Karl August, Grand Duke of Saxe-Weimar-Eisenach Landgravine Louise of Hesse-Darmstadt 3 October 1775 1775 Fifth cousins once removed Johann II, Duke of Saxe-Weimar and Dorothea Maria of Anhalt
Karl August, Prince of Waldeck and Pyrmont Countess Palatine Christiane Henriette of Zweibrücken-Birkenfeld 19 August 1741 1741 First cousins Christian II, Count Palatine of Zweibrücken-Birkenfeld and Countess Katharina Agathe of Rappoltstein
Karl August, 10th Prince of Thurn and Taxis Princess Maria Anna of Braganza 18 August 1921 1921 Fourth cousins Charles III of Spain and Maria Amalia of Saxony
Prince Karl Franz of Prussia Princess Henriette of Schönaich-Carolath 1 October 1940 1940 Sixth cousins once removed George II of Great Britain and Caroline of Ansbach
Karl Georg August, Hereditary Prince of Brunswick-Wolfenbüttel Princess Louise of Orange-Nassau 14 October 1790 1790 Double second cousins George II of Great Britain and Caroline of Ansbach; Frederick William I of Prussia and Princess Sophia Dorothea of Hanover
Archduke Karl Ludwig of Austria Princess Margaretha of Saxony
(first wife)
4 November 1856 1856 First cousins Maximilian I Joseph of Bavaria and Caroline of Baden
Archduke Karl Ludwig of Austria Princess Maria Annunciata of Bourbon-Two Sicilies
(second wife)
21 October 1862 1862 Second cousins Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Archduke Karl Ludwig of Austria Infanta Maria Theresa of Portugal
(third wife)
23 July 1873 1873 Third cousins Charles III of Spain and Maria Amalia of Saxony
Archduke Karl Salvator of Austria Princess Maria Immaculata of Bourbon-Two Sicilies 19 September 1861 1861 First cousins Francis I of the Two Sicilies and Infanta María Isabella of Spain
Karl Theodor, Duke in Bavaria Princess Sophie of Saxony 11 February 1865 1865 First cousins Maximilian I Joseph of Bavaria and Caroline of Baden
Princess Katharina of Hohenlohe-Langenburg
(granddaughter of Gottfried, Prince of Hohenlohe-Langenburg)
Prince Nikolaus of Waldeck and Pyrmont
(grandson of Friedrich, Prince of Waldeck and Pyrmont)
29 September 2002 2002 Fifth cousins Prince William of Hesse-Kassel and Princess Charlotte of Denmark
Knud, Hereditary Prince of Denmark Princess Caroline-Mathilde of Denmark 8 September 1933 1933 First cousins Frederick VIII of Denmark and Louise of Sweden
Prince Konrad of Bavaria Princess Maria Bona of Savoy-Genoa 8 January 1921 1921 Second cousins Ludwig I of Bavaria and Therese of Saxe-Hildburghausen
Prince Konstantin of Bavaria Princess Maria Adelgunde of Hohenzollern-Sigmaringen
(daughter of Frederick, Prince of Hohenzollern)
26 August 1942 1942 Triple fourth cousins Maximilian I Joseph of Bavaria; Caroline of Baden; Duke Maximilian Joseph in Bavaria and Princess Ludovika of Bavaria; Francis I of the Two Sicilies and Infanta María Isabella of Spain
Grand Duke Konstantin Konstantinovich of Russia Princess Elisabeth of Saxe-Altenburg 27 April 1884 1884 Second cousins; second cousins once removed Frederick, Duke of Saxe-Altenburg and Duchess Charlotte Georgine of Mecklenburg-Strelitz; Paul I of Russia and Sophie Dorothea of Württemberg
Grand Duke Konstantin Nikolayevich of Russia Princess Alexandra of Saxe-Altenburg 11 September 1848 1848 Second cousins Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Prince Leopold, Duke of Albany Princess Helena of Waldeck and Pyrmont St. George's Chapel, Windsor Castle, 27 April 1882 1882 Third cousins twice removed Duke Charles Louis Frederick of Mecklenburg and Princess Elisabeth Albertine of Saxe-Hildburghausen
Leopold I, Prince of Lippe Princess Pauline of Anhalt-Bernburg 2 January 1796 1796 Second cousins once removed Karl Frederick, Prince of Anhalt-Bernburg and Sophie Albertine of Solms-Sonnenwalde
Leopold I of Belgium Princess Charlotte of Wales
(first wife)
2 May 1816 1816 Fourth cousins Frederick I, Duke of Saxe-Gotha-Altenburg and Magdalena Sibylla of Saxe-Weissenfels
Leopold I of Belgium Louise of Orléans
(second wife)
9 August 1832 1832 Third cousins once removed Louis Rudolph, Duke of Brunswick-Lüneburg and Princess Christine Louise of Oettingen-Oettingen
Leopold I, Holy Roman Emperor Margarita Teresa of Spain
(first wife)
Vienna, 12 December 1666 1666 First cousins[67] Philip III of Spain and Margaret of Austria
Leopold I, Holy Roman Emperor Claudia Felicitas of Austria
(second wife)
15 October 1673 1673 Second cousins Charles II, Archduke of Austria and Maria Anna of Bavaria
Leopold I, Holy Roman Emperor Eleonor Magdalene of Neuburg
(third wife)
14 December 1676 1676 Second cousins William V, Duke of Bavaria and Renata of Lorraine
Leopold II, Holy Roman Emperor Maria Luisa of Spain 16 February 1764 1764 Second cousins once removed Leopold I, Holy Roman Emperor and Eleonor Magdalene of Neuburg
Leopold II, Grand Duke of Tuscany Princess Maria Anna of Saxony
(first wife)
16 November 1817 1817 Second cousins Francis I, Holy Roman Emperor and Maria Theresa
Leopold II, Grand Duke of Tuscany Princess Maria Antonia of the Two Sicilies
(second wife)
Naples, 7 June 1833 1833 First cousins Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Leopold II of Belgium Marie Henriette of Austria 22 August 1853 1853 Second cousins once removed Charles III of Spain and Maria Amalia of Saxony
Leopold III of Belgium Astrid of Sweden 4 November 1926 1926 Half-third cousins once removed Maximilian I Joseph of Bavaria
Leopold IV, Duke of Anhalt Princess Frederica Wilhelmina of Prussia 18 April 1818 1818 Second cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Leopold V, Archduke of Austria Claudia de' Medici 19 April 1626 1626 Second cousins twice removed Philip I of Castile and Joanna of Castile
Leopold, Hereditary Prince of Anhalt Princess Elisabeth of Hesse-Kassel 26 May 1884 1884 Third cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Leopold, Duke of Lorraine Élisabeth Charlotte d'Orléans 13 October 1698 1698 Third cousins Charles II, Archduke of Austria and Maria Anna of Bavaria
Leopold, Prince of Salerno Archduchess Clementina of Austria 28 July 1816 1816 First cousins once removed[67] Francis I, Holy Roman Emperor and Maria Theresa
Prince Leopold of Bavaria Archduchess Gisela of Austria 20 April 1873 1873 Half-second cousins Maximilian I Joseph of Bavaria
Archduke Leopold Salvator of Austria Infanta Blanca of Spain 24 October 1889 1889 Half-second cousins once removed Francis I of the Two Sicilies
Lionel of Antwerp, 1st Duke of Clarence Elizabeth de Burgh, 4th Countess of Ulster
(first wife)
Tower of London, 15 August 1352 1352 Second cousins once removed Edward I of England and Eleanor of Castile
Prince Lorenz of Belgium, Archduke of Austria-Este Princess Astrid of Belgium 22 September 1984 1984 Third cousins once removed Miguel I of Portugal and Adelaide of Löwenstein-Wertheim-Rosenberg
Louis I of Etruria Maria Luisa, Duchess of Lucca 5 August 1795 1795 First cousins Philip, Duke of Parma and Louise Élisabeth of France
Louis I of Spain Louise Élisabeth d'Orléans 20 January 1722 1722 Half-first cousins once removed Louis XIV of France
Louis I, Grand Duke of Hesse Princess Louise of Hesse-Darmstadt 19 February 1777 1777 First cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Louis II, Grand Duke of Hesse Princess Wilhelmine of Baden 19 June 1804 1804 First cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Louis II of Hungary Mary of Austria 22 July 1515 1515 Half-second cousins once removed John II of Aragon
Louis III of Naples Margaret of Savoy, Duchess of Anjou 31 Mar 1431 1431 Second cousins once removed John II of France and Bonne of Luxembourg
Louis III, Grand Duke of Hesse Princess Mathilde Caroline of Bavaria 26 December 1833 1833 Second cousins Prince George William of Hesse-Darmstadt and Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg
Louis IV, Grand Duke of Hesse Princess Alice of the United Kingdom Osborne House, 1 July 1862 1862 Fourth cousins Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel and Princess Antoinette of Brunswick-Wolfenbüttel
Louis VII of France Eleanor of Aquitaine
(first wife)
25 July 1137 1137 Third cousins once removed Robert II of France and Constance of Arles
Louis VII of France Constance of Castile
(second wife)
1154 1154 Third cousins once removed Robert II of France and Constance of Arles
Louis VII of France Adela of Champagne
(third wife)
18 October 1160 1160 Third cousins once removed Robert II of France and Constance of Arles
Louis XI of France Charlotte of Savoy 14 February 1451 1451 Third cousins John II of France and Bonne of Luxembourg
Louis XII of France Joan of France, Duchess of Berry
(first wife)
8 September 1476 1476 Second cousins once removed Charles V of France and Joanna of Bourbon
Louis XII of France Anne, Duchess of Brittany
(second wife)
8 January 1499 1499 First cousins once removed Louis I, Duke of Orléans
Louis XII of France Mary Tudor, Queen of France
(third wife)
9 October 1514 1514 Second cousins twice removed Charles V of France and Joanna of Bourbon
Louis XIII of France Anne of Austria 24 November 1615 1615 Second cousins Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Louis XIV of France Maria Theresa of Spain Saint Jean-Baptiste Church, Saint-Jean-de-Luz, 9 June 1660 1660 Double first cousins Henry IV of France and Marie de' Medici; Philip III of Spain and Margaret of Austria
Louis XVI of France Archduchess Maria Antonia of Austria Palace of Versailles, 16 May 1770 1770 Second cousins once removed Leopold I, Holy Roman Emperor and Eleonor Magdalene of Neuburg
Louis XVIII of France Princess Marie Joséphine of Savoy Palace of Versailles, 14 May 1771 1771 Double second cousins once removed Louis, Grand Dauphin and Maria Anna Victoria of Bavaria Victor Amadeus II of Sardinia and Anne Marie d'Orléans
Prince Louis, Count of Aquila Princess Januária of Brazil 28 April 1844 1844 First cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Louis, Grand Dauphin Duchess Maria Anna Victoria of Bavaria 28 January 1680 1680 Second cousins Henry IV of France and Marie de' Medici
Louis, Dauphin of France Infanta Maria Teresa Rafaela of Spain
(first wife)
18 December 1744 1744 First cousins once removed Louis, Grand Dauphin and Maria Anna Victoria of Bavaria
Louis, Dauphin of France Maria Josepha of Saxony, Dauphine of France
(second wife)
9 February 1747 1747 Fourth cousins once removed Philip III of Spain and Margaret of Austria
Louis of Cyprus Charlotte, Queen of Cyprus 7 October 1459 1459 First cousins Janus of Cyprus and Charlotte of Bourbon, Queen of Cyprus
Louis, Duke of Burgundy Marie Adélaïde of Savoy 6 December 1697 1697 Double second cousins Louis XIII of France and Anne of Austria; Victor Amadeus I, Duke of Savoy and Christine of France
Louis, Duke of Joyeuse Marie Anne de Bourbon 1719 1719 Half-third cousins Henry IV of France
Prince Louis, Duke of Nemours Princess Victoria of Saxe-Coburg and Gotha 27 April 1840 1840 Fourth cousins Louis Rudolph, Duke of Brunswick-Lüneburg and Princess Christine Louise of Oettingen-Oettingen
Louis d'Orléans, Duke of Orléans Margravine Auguste of Baden-Baden 13 July 1724 1724 Half-fourth cousins Philip II of Spain
Louis, Duke of Savoy Anne of Cyprus 12 February 1434 1434 Third cousins once removed Louis I, Duke of Bourbon and Mary of Avesnes
Duke Louis of Württemberg Princess Henriette of Nassau-Weilburg 28 January 1797 1797 Third cousins George I of Great Britain and Sophia Dorothea of Celle
Louis, Prince of Condé Louise Françoise de Bourbon, Duchess of Bourbon 25 May 1685 1685 Fourth cousins once removed Charles, Duke of Vendôme and Françoise d'Alençon
Louis Armand I, Prince of Conti Marie Anne de Bourbon 16 January 1680 1680 Fourth cousins Charles, Duke of Vendôme and Françoise d'Alençon
Louis Armand II, Prince of Conti Louise Élisabeth de Bourbon 9 July 1713 1713 First cousins Henri Jules, Prince of Condé and Anne Henriette of Bavaria
Louis Auguste, Duke of Maine Louise Bénédicte de Bourbon 19 May 1692 1692 Fourth cousins once removed Charles, Duke of Vendôme and Françoise d'Alençon
Prince Louis Charles of Prussia Frederica of Mecklenburg-Strelitz 26 December 1793 1793 Second cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Louis Ferdinand, Prince of Prussia Grand Duchess Kira Kirillovna of Russia 21 October 1938 1938 Second cousins once removed Queen Victoria and Albert, Prince Consort
Louis François, Prince of Conti Louise Diane d'Orléans 21 January 1732 1732 First cousins once removed Louis XIV of France and Françoise-Athénaïs de Rochechouart, Marquise de Montespan
Louis François Joseph, Prince of Conti Maria Fortunata d'Este 7 February 1759 1759 First cousins Philippe II, Duke of Orléans and Françoise Marie de Bourbon
Louis Frederick I, Prince of Schwarzburg-Rudolstadt Anna Sophie of Saxe-Gotha-Altenburg 15 October 1691 1691 Fourth cousins twice removed Magnus I, Duke of Saxe-Lauenburg and Catherine of Brunswick-Wolfenbüttel, Duchess of Saxe-Lauenburg
Louis George, Margrave of Baden-Baden Duchess Maria Anna Josepha of Bavaria 20 July 1755 1755 Third cousins once removed Charles Emmanuel I, Duke of Savoy and Infanta Catherine Michelle of Spain
Louis Henri, Prince of Condé Bathilde d'Orléans 20 April 1770 1770 Second cousins Louis, Prince of Condé and Louise Françoise de Bourbon, Duchess of Bourbon
Louis Henri, Duke of Bourbon Marie Anne de Bourbon 9 August 1713 1713 First cousins Henri Jules, Prince of Condé and Anne Henriette of Bavaria
Louis Jean Marie de Bourbon, Duke of Penthièvre Maria Teresa Felicitas d'Este 1744 1744 First cousins once removed Louis XIV of France and Françoise-Athénaïs de Rochechouart, Marquise de Montespan
Louis Joseph, Duke of Guise Élisabeth Marguerite d'Orléans 15 May 1667 1667 Fifth cousins René II, Duke of Lorraine and Philippa of Guelders
Louis Joseph, Duke of Vendôme Marie Anne de Bourbon, Duchess of Vendôme 21 May 1710 1710 Fourth cousins once removed Charles, Duke of Vendôme and Françoise d'Alençon
Louis Philippe I Maria Amalia of Naples and Sicily 25 November 1809 1809 Double third cousins once removed Louis XIV of France; Philippe I, Duke of Orléans and Elizabeth Charlotte, Madame Palatine
Louis Philippe I, Duke of Orléans Louise Henriette de Bourbon 17 December 1743 1743 Second cousins Louis XIV of France and Françoise-Athénaïs de Rochechouart, Marquise de Montespan
Louis Philippe II, Duke of Orléans Louise Marie Adélaïde de Bourbon Palace of Versailles, 5 April 1769 1769 Second cousins Philippe II, Duke of Orléans and Françoise Marie de Bourbon
Louise, Princess Royal Alexander Duff, 1st Duke of Fife Buckingham Palace, 27 July 1889 1889 Third cousins George III of the United Kingdom and Charlotte of Mecklenburg-Strelitz
Lucius Aelius Avidia Plautia Before 130 130 First cousins
Ludwig I of Bavaria Therese of Saxe-Hildburghausen 12 October 1810 1810 First cousins once removed Prince George William of Hesse-Darmstadt and Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg
Ludwig III of Bavaria Maria Theresa of Austria-Este February 20, 1868 1868 Second cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Prince Ludwig of Bavaria Princess Irmingard of Bavaria July 20, 1950 1950 First cousins Ludwig III of Bavaria and Maria Theresa of Austria-Este
Prince Ludwig August of Saxe-Coburg and Gotha Princess Leopoldina of Brazil 15 December 1864 1864 Second cousins Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Prince Ludwig Gaston of Saxe-Coburg and Gotha Princess Mathilde of Bavaria 1 May 1900 1900 Second cousins twice removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Prince Ludwig Ferdinand of Bavaria Infanta María de la Paz of Spain April 2, 1883 1883 First cousins Infante Francisco de Paula, Duke of Cádiz and Princess Luisa Carlotta of Naples and Sicily
Prince Ludwig Philipp of Thurn and Taxis Princess Elisabeth of Luxembourg 14 November 1922 1922 Fourth cousins Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Luís I of Portugal Maria Pia of Savoy 6 October 1862 1862 Second cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Prince Luís of Orléans-Braganza Princess Maria di Grazia of Bourbon-Two Sicilies 4 November 1908 1908 Second cousins Francis I of the Two Sicilies and Infanta María Isabella of Spain
Count Luitpold of Castell-Castell Princess Alexandrine-Louise of Denmark 22 January 1937 1937 Fifth cousins Frederick II, Landgrave of Hesse-Kassel and Princess Mary of Great Britain
Macbeth, King of Scotland Gruoch of Scotland Third cousins Malcolm I of Scotland
Magnus III of Mecklenburg-Schwerin Elizabeth of Denmark, Duchess of Mecklenburg 26 August 1543 1543 Third cousins Frederick I, Elector of Brandenburg and Elisabeth of Bavaria, Electress of Brandenburg
Manuel I of Portugal Isabella, Princess of Asturias
(first wife)
Estremoz, 3 November 1490 1490 Second cousins; half-third cousins Ferdinand I of Aragon and Eleanor of Alburquerque; John of Gaunt
Manuel I of Portugal Maria of Aragon
(second wife)
Alcazar de Sal, 30 October 1500 1500 Second cousins; half-third cousins Ferdinand I of Aragon and Eleanor of Alburquerque; John of Gaunt
Manuel I of Portugal Eleanor of Austria
(third wife)
16 July 1518 1518 Second cousins once removed; half-third cousins once removed Ferdinand I of Aragon and Eleanor of Alburquerque; John of Gaunt
Manuel II of Portugal Princess Augusta Victoria of Hohenzollern 4 September 1913 1913 Second cousins Ferdinand II of Portugal and Maria II of Portugal
Manuel of Castile Constance of Aragon, Lady of Villena 1260 1260 Third cousins Alfonso VII of León
Marcus Aurelius, Emperor of Rome Faustina the Younger 13 May 145 145 First cousins Marcus Annius Verus and Rupilia
Marcus Valerius Messalla Barbatus Domitia Lepida the Younger 15 15 Half-first cousins Octavia the Younger
Margaret, Countess of Pembroke John Hastings, 2nd Earl of Pembroke 19 May 1359 1359 Half-fourth cousins once removed Isabella of Angoulême
Maria of Portugal, Lady of Meneses and Orduña Fernando Díaz de Haro, Lord of Orduña and Balmaseda 1315 1315 Half-first cousins once removed Alfonso X of Castile
Maria of Portugal, Marchioness of Tortosa Infante Fernando, Marquis of Tortosa
(son of Alfonso IV of Aragon)
1354 1354 Second cousins Sancho IV of Castile
Maria I of Portugal Peter III of Portugal 6 June 1760 1760 Second cousins once removed[67] Philip William, Elector Palatine and Landgravine Elisabeth Amalie of Hesse-Darmstadt
Maria II of Portugal Auguste, Duke of Leuchtenberg
(first husband)
1 December 1834 1834 Fifth cousins once removed Philip William, Elector Palatine and Landgravine Elisabeth Amalie of Hesse-Darmstadt
Maria II of Portugal Ferdinand II of Portugal
(second husband)
1 January 1836 1836 Fourth cousins once removed Louis Rudolph, Duke of Brunswick-Lüneburg and Princess Christine Louise of Oettingen-Oettingen
Princess Maria de los Dolores of Bourbon-Two Sicilies Augustyn Józef Czartoryski 12 August 1937 1937 Third cousins Louis Philippe I and Maria Amalia of Naples and Sicily
Princess Maria Cristina of Savoy-Aosta Prince Casimir of Bourbon-Two Sicilies
(son of Prince Gabriel of Bourbon-Two Sicilies)
29 January 1967 1967 Third cousins twice removed Francis I of the Two Sicilies and Infanta María Isabella of Spain
Princess Maria Francesca of Savoy Prince Luigi of Bourbon-Parma
(son of Robert I, Duke of Parma)
23 January 1939 1939 Fourth cousins Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Grand Duchess Maria Vladimirovna of Russia Prince Franz Wilhelm of Prussia 4 September 1976 1976 Third cousins once removed Queen Victoria and Albert, Prince Consort
Princess Marie of Orléans Prince Gundakar of Liechtenstein 22 July 1989 1989 Fifth cousins Maximilian I Joseph of Bavaria and Caroline of Baden
Marie de Bourbon, Duchesse d'Estouteville
(daughter of Francis de Bourbon, Count of St. Pol)
Jean, Count of Soissons and Enghien
(son of Charles, Duke of Vendôme)
First cousins Francis, Count of Vendôme and Marie of Luxembourg, Countess of Vendôme
Princess Marie Adelheid of Lippe Prince Heinrich XXXII Reuss of Köstritz
(first husband)
19 May 1920 1920 Fourth cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Princess Marie Adelheid of Lippe Prince Heinrich XXXV Reuss of Köstritz
(second husband)
(son of Heinrich VII, Prince Reuss of Köstritz)
12 April 1921 1921 Fourth cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Princess Marie Thérèse of France Louis Antoine, Duke of Angoulême Mittau, Courland, 10 June 1799 1799 First cousins Louis, Dauphin of France and Maria Josepha of Saxony, Dauphine of France
Martin of Aragon Margaret of Prades 17 September 1409 1409 Second cousins once removed James II of Aragon
Martin I of Sicily Maria, Queen of Sicily February, 1392 1392 First cousins Peter IV of Aragon
Mary, Queen of Scots Francis II of France
(first husband)
24 April 1558 1558 Second cousins John VIII, Count of Vendôme and Isabelle de Beauvau
Mary, Queen of Scots Henry Stuart, Lord Darnley
(second husband)
Chapel-Royal, Palace of Holyroodhouse, Edinburgh, 9 July 1565 1565 Half-first cousins Margaret Tudor
Mary, Queen of Scots James Hepburn, 4th Earl of Bothwell
(third husband)
Great Hall, Holyrood Palace, Edinburgh, 15 May 1567 1567 Half-third cousins once removed Lady Joan Beaufort
Empress Matilda Henry V, Holy Roman Emperor
(first husband)
January 1114 1114 Second cousins twice removed Gisela of Swabia
Empress Matilda Geoffrey Plantagenet, Count of Anjou
(second husband)
1128 1128 Fourth cousins once removed Richard I of Normandy
Matthew, Count of Boulogne Marie I, Countess of Boulogne 1160 1160 Third cousins Baldwin V, Count of Flanders and Adela of France
Matthew, Count of Foix Joanna of Aragon, Countess of Foix 4 June 1392 1392 Half-fourth cousins Peter III of Aragon
Matthias, Holy Roman Emperor Anna of Tyrol 4 December 1611 1611 First cousins Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Maurice, Elector of Saxony Agnes of Hesse 9 January 1541 1541 First cousins once removed Albert III, Duke of Saxony and Sidonie of Poděbrady
Prince Maurice of Savoy Princess Luisa Cristina of Savoy 8 August 1642 1642 Third cousins once removed[67] Philip I of Castile and Joanna of Castile
Maximilian I, Holy Roman Emperor Mary, Duchess of Burgundy
(first wife)
Ghent, 18 August 1477 1477 Second cousins John I of Portugal and Philippa of Lancaster
Maximilian I, Holy Roman Emperor Anne of Brittany
(second wife)
19 December 1490 1490 Second cousins once removed Ferdinand I of Aragon and Eleanor of Alburquerque
Maximilian I of Mexico Princess Charlotte of Belgium Brussels, 27 July 1857 1857 Second cousins Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Maximilian I, Elector of Bavaria Elisabeth of Lorraine
(first wife)
9 February 1595 1595 First cousins Francis I, Duke of Lorraine and Christina of Denmark
Maximilian I, Elector of Bavaria Archduchess Maria Anna of Austria
(second wife)
15 July 1635 1635 Second cousins[67] Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Maximilian I Joseph of Bavaria Princess Augusta Wilhelmine of Hesse-Darmstadt
(first wife)
30 September 1785 1785 Fourth cousins George II, Landgrave of Hesse-Darmstadt and Sophia Eleonore of Saxony
Maximilian I Joseph of Bavaria Caroline of Baden
(second wife)
9 March 1797 1797 Fourth cousins once removed George II, Landgrave of Hesse-Darmstadt and Sophia Eleonore of Saxony
Maximilian II, Holy Roman Emperor Maria of Spain 13 September 1548 1548 First cousins Philip I of Castile and Joanna of Castile
Maximilian II Emanuel, Elector of Bavaria Maria Antonia of Austria 15 July 1685 1685 Second cousins Ferdinand II, Holy Roman Emperor and Maria Anna of Bavaria
Maximilian II of Bavaria Marie of Prussia 12 October 1842 1842 Third cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Maximilian III Joseph, Elector of Bavaria Maria Anna Sophia of Saxony 9 July 1747 1747 First cousins Joseph I, Holy Roman Emperor and Wilhelmine Amalia of Brunswick-Lüneburg
Prince Maximilian of Baden Princess Marie Louise of Hanover 10 July 1900 1900 Fourth cousins Frederick V of Denmark and Louise of Great Britain
Maximilian, Hereditary Prince of Saxony Princess Carolina of Parma
(first wife)
22 April 1792 1792 Third cousins once removed Leopold I, Holy Roman Emperor and Eleonor Magdalene of Neuburg
Maximilian, Hereditary Prince of Saxony Princess Maria Luisa Carlota of Parma
(second wife)
15 October 1825 1825 Third cousins once removed Leopold I, Holy Roman Emperor and Eleonor Magdalene of Neuburg
Maximilian de Beauharnais, 3rd Duke of Leuchtenberg Grand Duchess Maria Nikolaevna of Russia 2 July 1839 1839 Second cousins once removed Prince George William of Hesse-Darmstadt and Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg
Maximilian Anton, Hereditary Prince of Thurn and Taxis Duchess Helene in Bavaria 24 August 1858 1858 Fourth cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Duke Maximilian Joseph in Bavaria Princess Ludovika of Bavaria September 9, 1828 1828 First cousins once removed Frederick Michael, Count Palatine of Zweibrücken and Countess Palatine Maria Franziska of Sulzbach
Michael I of Romania Princess Anne of Bourbon-Parma Athens, 10 June 1948 1948 Second cousins once removed Christian IX of Denmark and Louise of Hesse-Kassel
Grand Duke Michael Mikhailovich of Russia Sophie of Merenberg 10 March 1891 1891 Third cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Grand Duke Michael Nikolaevich of Russia Olga Feodorovna of Baden 28 August 1857 1857 Third cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Grand Duke Michael Pavlovich of Russia Princess Charlotte of Württemberg 19 February 1824 1824 First cousins once removed Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
Archduchess Michaela of Austria
(daughter of Archduke Otto of Austria)
Count Hubertus von Kageneck
(son of Princess Elisabeth Maria of Bavaria)
22 October 1994 1994 Fourth cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Prince Michel of Bourbon-Parma Princess Maria Pia of Savoy 2003 2003 Second cousins once removed Miguel I of Portugal and Adelaide of Löwenstein-Wertheim-Rosenberg
Michel, 14th Prince of Ligne Princess Eleonora of Orléans-Braganza 10 March 1981 1981 Fourth cousins once removed John VI of Portugal and Carlota Joaquina of Spain
Miguel I of Portugal Adelaide of Löwenstein-Wertheim-Rosenberg 24 September 1851 1851 Sixth cousins once removed John George I, Elector of Saxony and Duchess Magdalene Sibylle of Prussia
Miguel, Duke of Braganza Princess Elisabeth of Thurn and Taxis
(first wife)
17 October 1877 1877 Fourth cousins once removed Louis Crato, Count of Nassau-Saarbrücken and Countess Philippine Henriette of Hohenlohe-Langenburg
Miguel, Duke of Braganza Princess Maria Theresa of Löwenstein-Wertheim-Rosenberg
(second wife)
Kleinheubach, 8 November 1893 1893 First cousins Constantine, Hereditary Prince of Löwenstein-Wertheim-Rosenberg and Princess Agnes of Hohenlohe-Langenburg
Archduchess Monika of Austria
(daughter of Archduke Otto of Austria)
Luis María de Casanova-Cárdenas y Barón, 5th Duke of Santángelo 21 June 1980 1980 Fifth cousins once removed Francis I of the Two Sicilies and María Isabella of Spain
Prince Moritz of Saxe-Altenburg Princess Augusta of Saxe-Meiningen 15 October 1862 1862 Fourth cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
Princess Nadezhda of Bulgaria Duke Albrecht Eugen of Württemberg
(son of Albrecht, Duke of Württemberg)
24 January 1924 1924 Second cousins Ferdinand II of the Two Sicilies and Maria Theresa of Austria
Napoleon Louis Bonaparte Charlotte Napoléone Bonaparte 1823? 1823 First cousins Carlo Buonaparte and Letizia Ramolino
Nero, Emperor of Rome Claudia Octavia Rome, 9 June AD 53 53 Double first cousins once removed Lucius Domitius Ahenobarbus and Antonia Major; Nero Claudius Drusus and Antonia Minor
Nicholas I of Russia Princess Charlotte of Prussia Chapel of the Winter Palace, 13 July 1817 1817 Third cousins Frederick William I of Prussia and Princess Sophia Dorothea of Hanover
Nicholas II of Russia Princess Alix of Hesse and by Rhine Grand Church of the Winter Palace, Winter Palace, Saint Petersburg, 26 November 1894 1894 Second cousins Louis II, Grand Duke of Hesse and Princess Wilhelmine of Baden
Grand Duke Nicholas Nikolaevich of Russia Duchess Alexandra Petrovna of Oldenburg 6 February 1856 1856 First cousins once removed Paul I of Russia and Sophie Dorothea of Württemberg
Prince Nicholas of Greece and Denmark Grand Duchess Elena Vladimirovna of Russia 29 August 1902 1902 Second cousins Nicholas I of Russia and Charlotte of Prussia
Nicholas Francis, Duke of Lorraine Claude Françoise de Lorraine 18 February 1634 1634 First cousins Charles III, Duke of Lorraine and Claude of France
Prince Nikolaus of Liechtenstein Princess Margaretha of Luxembourg 20 March 1982 1982 Third cousins Miguel I of Portugal and Adelaide of Löwenstein-Wertheim-Rosenberg
Nikolaus, Hereditary Grand Duke of Oldenburg Princess Helena of Waldeck and Pyrmont 26 October 1921 1921 Third cousins Victor II, Prince of Anhalt-Bernburg-Schaumburg-Hoym and Amelia of Nassau-Weilburg
Odo III, Duke of Burgundy Theresa of Portugal, Countess of Flanders 1193 1193 Second cousins twice removed Henry, son of Robert I of Burgundy
Odoardo Farnese, Duke of Parma Margherita de' Medici 1628 1628 Third cousins once removed Philip I of Castile and Joanna of Castile
Olav V of Norway Princess Märtha of Sweden Oslo Cathedral, 21 March 1929 1929 First cousins Frederick VIII of Denmark and Louise of Sweden
Duchess Olga of Württemberg Prince Maximilian of Schaumburg-Lippe
(son of Prince William of Schaumburg-Lippe)
3 November 1898 1898 First cousins once removed George William, Prince of Schaumburg-Lippe and Princess Ida of Waldeck and Pyrmont
Oscar II of Sweden Sophia of Nassau 6 June 1857 1857 Third cousins once removed Prince George William of Hesse-Darmstadt and Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg
Archduke Otto of Austria Princess Maria Josepha of Saxony 2 October 1886 1886 Second cousins; second cousins once removed Maximilian I Joseph of Bavaria and Caroline of Baden; Francis II, Holy Roman Emperor and Maria Theresa of Naples and Sicily
Archduke Otto of Austria Princess Regina of Saxe-Meiningen 10 May 1951 1951 Fourth cousins Karl Ludwig, Prince of Hohenlohe-Langenburg and Countess Amalie Henriette of Solms-Baruth
Paul of Greece Princess Frederica of Hanover Athens, 9 January 1938 1938 First cousins once removed (through Frederick III, German Emperor and Victoria, Princess Royal);
Second cousins (through Christian IX of Denmark);
Third cousins (through Joseph, Duke of Saxe-Altenburg);
Frederick III, German Emperor and Victoria, Princess Royal; Christian IX of Denmark and Louise of Hesse-Kassel; Joseph, Duke of Saxe-Altenburg and Duchess Amelia of Württemberg
Prince Paul of Württemberg Princess Charlotte of Saxe-Hildburghausen 28 September 1805 1805 Fifth cousins Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
Grand Duke Paul Alexandrovich of Russia Grand Duchess Alexandra Georgievna of Russia 17 June 1889 1889 First cousins once removed Nicholas I of Russia and Charlotte of Prussia
Paul Frederick, Grand Duke of Mecklenburg-Schwerin Princess Alexandrine of Prussia 25 May 1822 1822 Fourth cousins once removed Adolf Frederick I, Duke of Mecklenburg and Marie Katharina of Brunswick-Dannenberg
Duke Paul Frederick of Mecklenburg Princess Marie of Windisch-Graetz 5 May 1881 1881 First cousins Paul Frederick, Grand Duke of Mecklenburg-Schwerin and Princess Alexandrine of Prussia
Duke Paul Wilhelm of Württemberg Princess Maria Sophia of Thurn and Taxis 17 April 1827 1827 Third cousins Anselm Franz, 2nd Prince of Thurn and Taxis and Maria Ludovika Anna Franziska, Princess of Lobkowicz
Pedro I of Brazil Archduchess Maria Leopoldina of Austria
(first wife)
1817 1817 Second cousins Charles III of Spain and Maria Amalia of Saxony
Pedro I of Brazil Amelie of Leuchtenberg
(second wife)
2 August 1829 1829 Fifth cousins Philip William, Elector Palatine and Landgravine Elisabeth Amalie of Hesse-Darmstadt
Pedro II of Brazil Teresa Cristina of the Two Sicilies 30 May 1843 1843 Double first cousins once removed Ferdinand I of the Two Sicilies and Maria Carolina of Austria; Charles IV of Spain and Princess Maria Luisa of Parma
Infante Pedro Carlos of Spain and Portugal Maria Teresa, Princess of Beira 13 May 1810 1810 First cousins (through Maria I of Portugal and Peter III of Portugal); first cousins once removed (through Charles III of Spain) Maria I of Portugal and Peter III of Portugal; Charles III of Spain and Maria Amalia of Saxony
Prince Pedro Gastão of Orléans-Braganza Princess María de la Esperanza of Bourbon-Two Sicilies 18 December 1944 1944 Double third cousins Francis I of the Two Sicilies and Infanta María Isabella of Spain; Louis Philippe I and Maria Amalia of Naples and Sicily
Prince Pedro Henrique of Orléans-Braganza Princess Maria Elisabeth of Bavaria 19 August 1937 1937 Half-third cousins Leopold II, Grand Duke of Tuscany
Peter I of Portugal Constanza Manuel
(first wife)
24 August 1339 1339 Second cousins once removed Ferdinand III of Castile
Peter I of Portugal Inês de Castro
(second wife)
1346 1346 Half-first cousins once removed Sancho IV of Castile
Peter I, Grand Duke of Oldenburg Duchess Frederica of Württemberg 6 June 1781 1781 Fourth cousins once removed; fifth cousins twice removed George, Duke of Brunswick-Lüneburg and Anne Eleonore of Hesse-Darmstadt; Frederick II of Denmark and Sophie of Mecklenburg-Güstrow
Peter II of Yugoslavia Princess Alexandra of Greece and Denmark 20 March 1944 1944 Third cousins Queen Victoria and Albert, Prince Consort
Peter II, Grand Duke of Oldenburg Princess Elisabeth of Saxe-Altenburg 10 February 1852 1852 Double second cousins Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt; Charles Christian, Prince of Nassau-Weilburg and Princess Carolina of Orange-Nassau
Peter II of Aragon Maria of Montpellier June 15, 1204 1204 Fourth cousins once removed Robert I, Duke of Burgundy
Peter IV of Aragon Maria of Navarre
(first wife)
23 July 1338 1338 Fourth cousins Louis VIII of France and Blanche of Castile
Peter IV of Aragon Eleanor of Portugal, Queen of Aragon
(second wife)
15 November 1347 1347 Second cousins Peter III of Aragon
Peter IV of Aragon Eleanor of Sicily
(third wife)
27 August 1349 1349 Double second cousins Peter III of Aragon; Charles II of Naples
Peter, Duke of Coimbra Isabella of Urgell, Duchess of Coimbra 13 September 1428 1428 Fourth cousins Peter III of Aragon
Peter, Duke of Schleswig-Holstein Princess Marie Alix of Schaumburg-Lippe 9 October 1947 1947 Third cousins George William, Prince of Schaumburg-Lippe and Princess Ida of Waldeck and Pyrmont
Duke Peter Alexandrovich of Oldenburg Grand Duchess Olga Alexandrovna of Russia 9 August 1901 1901 Second cousins Nicholas I of Russia and Charlotte of Prussia
Duke Peter Georgievich of Oldenburg Princess Therese of Nassau-Weilburg 23 April 1837 1837 Fifth cousins George I of Great Britain and Sophia Dorothea of Celle
Archduke Peter Ferdinand of Austria Princess Maria Cristina of Bourbon-Two Sicilies 8 November 1900 1900 First cousins once removed (through Leopold II, Grand Duke of Tuscany); second cousins (through Francis I of the Two Sicilies) Leopold II, Grand Duke of Tuscany and Princess Maria Antonia of the Two Sicilies; Francis I of the Two Sicilies and Infanta María Isabella of Spain
Philibert, Margrave of Baden-Baden Mechthild of Bavaria 17 January 1557 1557 Third cousins Ernest, Duke of Austria and Cymburgis of Masovia
Philibert I, Duke of Savoy Bianca Maria Sforza 6 January 1474 1471 First cousins Louis, Duke of Savoy and Anne of Cyprus
Philibert II, Duke of Savoy Yolande Louise of Savoy
(first wife)
1496 1496 First cousins once removed Louis, Duke of Savoy and Anne of Cyprus
Philibert II, Duke of Savoy Margaret of Austria, Duchess of Savoy
(second wife)
1501 1501 Second cousins once removed John the Fearless, Duke of Burgundy and Margaret of Bavaria
Philippa, 5th Countess of Ulster Edmund Mortimer, 3rd Earl of March Reading Abbey, 1368 1368 Third cousins once removed Richard de Clare, 6th Earl of Gloucester and Maud de Lacy, Countess of Hertford and Gloucester
Philip the Good, Duke of Burgundy Michelle of Valois
(first wife)
June 1409 1409 Second cousins John II of France and Bonne of Luxembourg
Philip the Good, Duke of Burgundy Bonne of Artois
(second wife)
20 June 1413 1413 Second cousins John II of France and Bonne of Luxembourg
Philip the Good, Duke of Burgundy Isabella of Portugal
(third wife)
Bruges, 7 January 1430 1430 Third cousins William I, Count of Hainaut and Joan of Valois, Countess of Hainaut
Philip, Duke of Parma Louise Élisabeth of France 26 August 1739 1739 First cousins once removed Louis, Grand Dauphin and Maria Anna Victoria of Bavaria
Philip I, Count of Boulogne Matilda II, Countess of Boulogne 1223 1223 Third cousins Stephen, Count of Blois and Adela of Normandy
Philip I, Landgrave of Hesse Christine of Saxony 11 December 1523 1523 Third cousins Frederick I, Elector of Saxony and Catherine of Brunswick-Lüneburg
Philip I of Castile Joanna of Castile 20 October 1496 1496 Third cousins John I of Portugal and Philippa of Lancaster
Philip II of Spain Maria Manuela, Princess of Portugal
(first wife)
15 November 1543 1543 Double first cousins Philip I of Castile and Joanna of Castile; Manuel I of Portugal and Maria of Aragon
Philip II of Spain Mary I of England
(second wife)
Winchester Cathedral, 25 July 1554 1554 First Cousins once removed Ferdinand II of Aragon and Isabella I of Castile
Philip II of Spain Elisabeth of Valois
(third wife)
22 June 1559 1559 Fourth cousins Charles I, Duke of Bourbon and Agnes of Burgundy, Duchess of Bourbon
Philip II of Spain Anna of Austria, Queen of Spain
(fourth wife)
4 May 1570 1570 First cousins once removed[67] Philip I of Castile and Joanna of Castile
Philip II, Duke of Savoy Margaret of Bourbon 6 April 1472 1472 Second cousins Philip the Bold and Margaret III, Countess of Flanders
Philip III of France Isabella of Aragon, Queen of France 28 May 1262 1262 Second cousins once removed Alfonso II of Aragon and Sancha of Castile, Queen of Aragon
Philip III of Spain Margaret of Austria, Queen of Spain 18 April 1599 1599 First cousins once removed Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Philip IV of Spain Elisabeth of France
(first wife)
25 November 1615 1615 Second cousins Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Philip IV of Spain Mariana of Austria
(second wife)
7 October 1649 1649 First cousins once removed[67] Charles II, Archduke of Austria and Maria Anna of Bavaria
Philip V of Spain Princess Maria Luisa of Savoy
(first wife)
Barcelona, 2 November 1701 1701 Double second cousins Victor Amadeus I, Duke of Savoy and Christine of France; Louis XIII of France and Anne of Austria
Philip V of Spain Elisabeth Farnese
(second wife)
Parma, 24 December 1714 1714 Third cousins William V, Duke of Bavaria and Renata of Lorraine
Prince Philip of Bourbon-Two Sicilies Princess Marie Louise of Orléans 12 January 1916 1916 Third cousins once removed Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Philip William, Elector Palatine Anna Catherine Constance Vasa
(first wife)
8 June 1642 1642 Second cousins Albert V, Duke of Bavaria and Archduchess Anna of Austria
Philip William, Elector Palatine Landgravine Elisabeth Amalie of Hesse-Darmstadt
(second wife)
3 September 1653 1653 Third cousins Philip I, Landgrave of Hesse and Christine of Saxony
Prince Philipp of Saxe-Coburg and Gotha Princess Louise of Belgium Brussels, 4 February 1875
(divorced Gotha, 15 January 1906)
1875 First cousins once removed (through Louis Philippe I of France);
Second cousins (through Francis, Duke of Saxe-Coburg-Saalfeld)
Louis Philippe I and Maria Amalia of Naples and Sicily; Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf
Duke Philipp of Württemberg Archduchess Maria Theresa of Austria
(daughter of Archduke Albrecht, Duke of Teschen)
18 January 1865 1865 Third cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria
Duke Philipp of Württemberg
(son of Carl, Duke of Württemberg)
Duchess Marie-Caroline in Bavaria
(daughter of Prince Max, Duke in Bavaria)
27 July 1991 1991 Fifth cousins Maximilian I Joseph of Bavaria and Caroline of Baden
Philipp Albrecht, Duke of Württemberg Archduchess Helena of Austria
(first wife)
24 October 1923 1923 Second cousins Ferdinand II of the Two Sicilies and Maria Theresa of Austria
Philipp Albrecht, Duke of Württemberg Archduchess Rosa of Austria
(second wife)
1 August 1928 1928 Second cousins Ferdinand II of the Two Sicilies and Maria Theresa of Austria
Philipp Reinhard, Count of Hanau-Münzenberg Countess Palatine Magdalena Claudia of Zweibrücken-Birkenfeld-Bischweiler 27 February 1689 1689 First cousins Christian I, Count Palatine of Birkenfeld-Bischweiler and Countess Palatine Magdalene Catherine of Zweibrücken
Philippe II, Duke of Orléans Françoise Marie de Bourbon 18 February 1692 1692 First cousins Louis XIII of France and Anne of Austria
Prince Philippe, Count of Paris Princess Marie Isabelle of Orléans 30 May 1864 1864 First cousins Louis Philippe I and Maria Amalia of Naples and Sicily
Prince Philippe, Duke of Orléans Archduchess Maria Dorothea of Austria 5 November 1896 1896 Second cousins Louis Philippe I and Maria Amalia of Naples and Sicily
Archduke Rainer Ferdinand of Austria Archduchess Maria Karoline of Austria 21 February 1852 1852 First cousins Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Archduke Rainer Joseph of Austria Princess Elisabeth of Savoy 28 May 1820 1820 Second cousins Augustus III of Poland and Maria Josepha of Austria
Prince Ranieri, Duke of Castro Maria Carolina Zamoyska 12 September 1923 1923 First cousins Prince Francis, Count of Trapani and Archduchess Maria Isabella of Austria
Ranuccio II Farnese, Duke of Parma Princess Margaret Yolande of Savoy
(first wife)
29 April 1660 1660 Second cousins (through Francesco I de' Medici, Grand Duke of Tuscany); Double third cousins Francesco I de' Medici, Grand Duke of Tuscany; Cosimo I de' Medici, Grand Duke of Tuscany; Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Ranuccio II Farnese, Duke of Parma Isabella d'Este, Duchess of Parma
(second wife)
18 February 1664 1664 First cousins Ranuccio I Farnese, Duke of Parma and Margherita Aldobrandini
Ranuccio II Farnese, Duke of Parma Maria d'Este
(third wife)
1 October 1668 1668 First cousins Ranuccio I Farnese, Duke of Parma and Margherita Aldobrandini
Prince Raphael Rainer of Thurn and Taxis Princess Margarete of Thurn and Taxis 24 May 1932 1932 Second cousins Maximilian Karl, 6th Prince of Thurn and Taxis
Prince Rasso of Bavaria Archduchess Theresa of Austria
(granddaughter of Archduke Franz Salvator of Austria)
17 October 1955 1955 Half-third cousins Leopold II, Grand Duke of Tuscany
Prince René of Bourbon-Parma Princess Margaret of Denmark 9 June 1921 1921 Second cousins twice removed John VI of Portugal and Carlota Joaquina of Spain
Richard, 1st Earl of Cornwall Sanchia of Provence November 23, 1243 1243 Fourth cousins Humbert II, Count of Savoy and Gisela of Burgundy, Marchioness of Montferrat
Richard of Conisburgh, 3rd Earl of Cambridge Anne de Mortimer May 1406 1406 First cousins twice removed Edward III of England and Philippa of Hainault
Richard Plantagenet, 3rd Duke of York Lady Cecily Neville 1429 1429 Second cousins Edward III of England and Philippa of Hainault
Richard of Shrewsbury, Duke of York Anne de Mowbray, 8th Countess of Norfolk 15 January 1478 1478 Second cousins once removed Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort
Richard, 6th Prince of Sayn-Wittgenstein-Berleburg Princess Benedikte of Denmark 3 February 1968 1968 Half-fifth cousins once removed Charles Frederick, Grand Duke of Baden
Richard I of England Berengaria of Navarre May 12, 1191 1191 Fourth cousins Robert I, Duke of Burgundy
Richard II of England Anne of Bohemia
(first wife)
Westminster Abbey, 20 January 1382 1382 Fourth cousins Henry III, Duke of Brabant and Adelaide of Burgundy, Duchess of Brabant
Richard II of England Isabella of Valois
(second wife)
31 October 1396 1396 Half-third cousins Charles, Count of Valois
Richard III of England Lady Anne Neville Westminster Abbey, 12 July 1472 1472 First cousins once removed (through Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort); Second cousins once removed (through Edmund of Langley, 1st Duke of York); Third cousins (through Thomas Holland, 2nd Earl of Kent); Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort; Edmund of Langley, 1st Duke of York and Isabella of Castile, Duchess of York; Thomas Holland, 2nd Earl of Kent and Alice FitzAlan, Countess of Kent
Robert the Bruce Isabella of Mar
(first wife)
1296 1296 Half-fifth cousins Henry I of England
Robert the Bruce Elizabeth de Burgh
(second wife)
1302 1302 Double third cousins once removed William Marshal, 1st Earl of Pembroke and Isabel de Clare, 4th Countess of Pembroke; David, Earl of Huntingdon and Matilda of Chester, Countess of Huntingdon
Robert I, Duke of Parma Princess Maria Pia of Bourbon-Two Sicilies
(first wife)
Rome, 5 April 1869 1869 Half-first cousins once removed Francis I of the Two Sicilies
Robert I, Duke of Parma Infanta Maria Antonia of Portugal
(second wife)
October 15, 1884 at Schloss Fischorn 1884 Second cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Robert II of Scotland Elizabeth Mure
(first wife)
22 November 1347 1347 Fourth cousins once removed William Comyn, Lord of Badenoch
Robert II of Scotland Euphemia de Ross
(second wife)
2 May 1355 1355 Third cousins once removed William Comyn, Lord of Badenoch
Robert, King of Naples Yolande of Aragon, Duchess of Calabria
(first wife)
23 March 1297 1297 Second cousins once removed Andrew II of Hungary
Robert, King of Naples Sancia of Majorca
(second wife)
17 June 1304 1304 Second cousins once removed Andrew II of Hungary
Prince Robert, Duke of Chartres Princess Françoise of Orléans 11 June 1863 1863 First cousins Louis Philippe I and Maria Amalia of Naples and Sicily
Robert, Archduke of Austria-Este Princess Margherita of Savoy-Aosta 29 December 1953 1953 Fourth cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Duke Robert of Württemberg Archduchess Maria Immakulata of Austria 29 October 1900 1900 Double third cousins Leopold II, Holy Roman Emperor and Maria Luisa of Spain; Ferdinand II of the Two Sicilies and Maria Theresa of Austria
Romanos III Argyros Zoë Porphyrogenita November 10, 1028 1028 Second cousins once removed Romanos I Lekapenos and Theodora
Rudolf, Crown Prince of Austria Princess Stéphanie of Belgium 10 May 1881 1881 Second cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Rupprecht, Crown Prince of Bavaria Duchess Marie Gabrielle in Bavaria
(first wife)
10 July 1900 1900 Half-second cousins once removed Maximilian I Joseph of Bavaria
Rupprecht, Crown Prince of Bavaria Princess Antonia of Luxembourg
(second wife)
7 April 1921 1921 Third cousins Frederick, Duke of Saxe-Altenburg and Duchess Charlotte Georgine of Mecklenburg-Strelitz
Sancho II of Portugal Mécia Lopes de Haro 1245 1245 Second cousins once removed Afonso I of Portugal and Matilda of Savoy, Queen of Portugal
Sancho Alfonso, 1st Count of Alburquerque Beatrice, Countess of Alburquerque 1373 1373 Double second cousins Sancho IV of Castile; Denis of Portugal
Infante Sebastian of Portugal and Spain Princess Maria Amalia of Bourbon-Two Sicilies
(first wife)
25 May 1832 1832 First cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Infante Sebastian of Portugal and Spain Infanta Maria Cristina of Spain
(second wife)
19 November 1860 1860 First cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
Grand Duke Sergei Alexandrovich of Russia Princess Elisabeth of Hesse and by Rhine 15 June 1884 1884 First cousins once removed Louis II, Grand Duke of Hesse and Princess Wilhelmine of Baden
Sigismund, Archduke of Austria Catherine of Saxony, Archduchess of Austria 1484 1484 First cousins twice removed Leopold III, Duke of Austria and Viridis Visconti
Sigismund II Augustus Elizabeth of Austria
(first wife)
5 May 1543 1543 First cousins once removed Casimir IV Jagiellon and Elizabeth of Austria
Sigismund II Augustus Catherine of Austria, Queen of Poland
(third wife)
23 June 1553 1553 First cousins once removed Casimir IV Jagiellon and Elizabeth of Austria
Sigismund III Vasa Anne of Austria, Queen of Poland
(first wife)
31 May 1592 1592 Second cousins once removed Casimir IV Jagiellon and Elizabeth of Austria
Sigismund III Vasa Constance of Austria
(second wife)
December 11, 1605 1605 Second cousins once removed Casimir IV Jagiellon and Elizabeth of Austria
Prince Sigismund of Prussia Princess Charlotte of Saxe-Altenburg 11 July 1919 1919 Double fourth cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt; Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Archduke Simeon of Austria Princess María of Bourbon-Two Sicilies
(daughter of Infante Carlos, Duke of Calabria)
13 July 1996 1996 Half-second cousins once removed Robert I, Duke of Parma
Princess Sophie of Greece and Denmark Prince Christoph of Hesse
(first husband)
15 December 1930 1930 Second cousins once removed Queen Victoria and Albert, Prince Consort
Princess Sophie of Greece and Denmark Prince George William of Hanover
(second husband)
23 April 1946 1946 Second cousins (through Christian IX of Denmark); Double Third cousins (through Queen Victoria and Joseph, Duke of Saxe-Altenburg) Christian IX of Denmark and Louise of Hesse-Kassel; Queen Victoria and Albert, Prince Consort; Joseph, Duke of Saxe-Altenburg and Duchess Amelia of Württemberg
Sophie Renate Reuss of Köstritz Prince Heinrich XXXIV Reuss of Köstritz 12 December 1909 1909 Half-first cousins once removed Heinrich LXIII, Prince Reuss of Köstritz
Stephen, King of England Matilda of Boulogne 1125 1125 Fourth cousins once removed Mathilde von Sachsen
Teodósio I, Duke of Braganza Isabel de Lencastre
(first wife)
(daughter of Dinis of Braganza, Count of Lemos)
1542 1542 First cousins Fernando II, Duke of Braganza and Isabel of Viseu
Teodósio I, Duke of Braganza Beatriz of Lencastre
(second wife)
(granddaughter of Jorge de Lencastre, Duke of Coimbra)
1559 1559 Third cousins once removed Edward, King of Portugal and Eleanor of Aragon, Queen of Portugal
Prince Thomas, Duke of Genoa Princess Isabella of Bavaria 21 May 1883 1883 Third cousins Ferdinand I of the Two Sicilies and Maria Carolina of Austria
Thomas of Woodstock, 1st Duke of Gloucester Eleanor de Bohun 1376 1376 Second cousins once removed Edward I of England and Eleanor of Castile
Thomas of Lancaster, 1st Duke of Clarence Margaret Holland, Duchess of Clarence November 1411 1411 Second cousins once removed Henry, 3rd Earl of Lancaster and Maud Chaworth
Prince Tomislav of Yugoslavia Princess Margarita of Baden 5 June 1957 1957 Third cousins once removed Queen Victoria and Albert, Prince Consort
Ulrich, Duke of Mecklenburg Elizabeth of Denmark, Duchess of Mecklenburg 14 February 1556 1556 First cousins twice removed Christian I of Denmark and Dorothea of Brandenburg
Umberto I of Italy Princess Margherita of Savoy 21 April 1868 1868 First cousins Charles Albert of Sardinia and Maria Theresa of Austria
Umberto II of Italy Marie José of Belgium 8 January 1930 1930 Third cousins once removed Maximilian I Joseph of Bavaria and Caroline of Baden
Valdemar II of Denmark Dagmar of Bohemia 1205 1205 Third cousins Vratislaus II of Bohemia
Valdemar III of Denmark Richardis of Schwerin, Duchess of Schleswig 1329 1328 Double third cousins Albert I, Duke of Saxony; Adolf IV of Holstein and Heilwig of Lippe
Valdemar IV of Denmark Helvig of Schleswig 1340 1340 Third cousins once removed Valdemar II of Denmark and Berengaria of Portugal
Prince Valdemar of Denmark Princess Marie of Orléans 20 October 1885 1885 Third cousins once removed (through Duke Louis of Mecklenburg-Schwerin); Fourth cousins twice removed (through Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel) Duke Louis of Mecklenburg-Schwerin and Princess Charlotte Sophie of Saxe-Coburg-Saalfeld; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel and Princess Antoinette of Brunswick-Wolfenbüttel
Victor, Prince Napoléon Princess Clémentine of Belgium 14 November 1910 1910 Second cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
Victor Amadeus I, Duke of Savoy Christine of France 10 February 1619 1619 Third cousins Philip I of Castile and Joanna of Castile
Victor Amadeus I, Prince of Carignano Maria Vittoria of Savoy 7 November 1714 1714 Second cousins once removed Charles Emmanuel I, Duke of Savoy and Infanta Catherine Michelle of Spain
Victor Amadeus II of Sardinia Anne Marie d'Orléans 10 April 1684 1684 Second cousins Henry IV of France and Marie de' Medici
Victor Amadeus III of Sardinia Maria Antonia Ferdinanda of Spain 12 April 1750 1750 Double third cousins Victor Amadeus I, Duke of Savoy and Christine of France; Louis XIII of France and Anne of Austria
Victor Emmanuel I of Sardinia Maria Theresa of Austria-Este, Queen of Sardinia 25 April 1789 1789 Half-third cousins Philippe I, Duke of Orléans
Victor Emmanuel II of Italy Archduchess Adelaide of Austria Palazzina di caccia of Stupinigi, 12 April 1842 1842 First cousins Charles Emmanuel, Prince of Carignano and Princess Maria Christina of Saxony
Princess Victoria Melita of Saxe-Coburg and Gotha Ernest Louis, Grand Duke of Hesse and by Rhine
(first husband)
Schloss Ehrenburg, Coburg, 9 April 1894 1894 First cousins (through Queen Victoria), Third cousins (through Frederick William II of Prussia) Queen Victoria and Albert, Prince Consort; Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
Princess Victoria Melita of Saxe-Coburg and Gotha Grand Duke Cyril Vladimirovich of Russia
(second husband)
Tegernsee, 8 October 1905 1905 First cousins Alexander II of Russia and Marie of Hesse
Princess Victoria of Hesse and by Rhine Prince Louis of Battenberg Darmstadt, 30 April 1884 1884 First cousins once removed Louis II, Grand Duke of Hesse and Princess Wilhelmine of Baden
Queen Victoria of the United Kingdom Prince Albert of Saxe-Coburg and Gotha Chapel Royal, St. James's Palace, 10 February 1840 1840 First cousins; (through Francis, Duke of Saxe-Coburg-Saalfeld); Third cousins once removed (through Frederick II, Duke of Saxe-Gotha-Altenburg); Half-third cousins twice removed (through Adolphus Frederick II, Duke of Mecklenburg-Strelitz) Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf; Frederick II, Duke of Saxe-Gotha-Altenburg and Princess Magdalena Augusta of Anhalt-Zerbst; Adolphus Frederick II, Duke of Mecklenburg-Strelitz
Vincenzo Gonzaga, Duke of Mantua Margherita Farnese
(first wife)
2 March 1581 1581 Second cousins once removed Philip I of Castile and Joanna of Castile
Vincenzo Gonzaga, Duke of Mantua Eleanor de' Medici
(second wife)
29 April 1584 1584 First cousins Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Grand Duke Vladimir Alexandrovich of Russia Duchess Marie of Mecklenburg-Schwerin 28 August 1874 1874 Second cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Walter Stewart, 6th High Steward of Scotland Marjorie Bruce 1315 1315 Fourth cousins once removed Walter Stewart, 3rd High Steward of Scotland and Béthoc Mac Gille Críst
Prince Welf Henry of Hanover Princess Alexandra of Ysenburg and Büdingen 20 September 1960 1960 Fourth cousins Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach and Grand Duchess Maria Pavlovna of Russia
Wilhelm II, German Emperor Princess Augusta Victoria of Schleswig-Holstein-Sonderburg-Augustenburg
(first wife)
27 February 1881 1881 Half-second cousins (through Princess Victoria of Saxe-Coburg-Saalfeld);
Fourth cousins (through Frederick Prince of Wales)
Princess Victoria of Saxe-Coburg-Saalfeld; Frederick Prince of Wales and Princess Augusta of Saxe-Gotha
Wilhelm II, German Emperor Hermine Reuss of Greiz
(second wife)
5 November 1922 1922 Fifth cousins George II of Great Britain and Caroline of Ansbach
Wilhelm, German Crown Prince Duchess Cecilie of Mecklenburg-Schwerin 6 June 1905 1905 Third cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Prince Wilhelm of Prussia Princess Maria Anna of Hesse-Homburg 1804 1804 First cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
Prince Wilhelm, Duke of Södermanland Grand Duchess Maria Pavlovna of Russia 3 May 1908 1908 Third cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
Duke Wilhelm in Bavaria Countess Palatine Maria Anna of Zweibrücken-Birkenfeld 30 January 1780 1780 Second cousins once removed Christian I, Count Palatine of Birkenfeld-Bischweiler and Countess Palatine Magdalene Catherine of Zweibrücken
Wilhelm Friedrich, Duke of Schleswig-Holstein Princess Marie Melita of Hohenlohe-Langenburg 5 February 1916 1916 Second cousins Ernst I, Prince of Hohenlohe-Langenburg and Princess Feodora of Leiningen
Wilhelmina of the Netherlands Prince Henry, Duke of Mecklenburg-Schwerin 7 February 1901 1901 Third cousins Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt
William the Conqueror Matilda of Flanders 1051 1051 Third cousins once removed (through Fulk II, Count of Anjou);
Fourth cousins (through Rollo);
Fifth cousins (through Herbert II of Vermandois);
Seventh cousins (through Æthelwulf of Wessex)
Fulk II, Count of Anjou; Rollo; Herbert II of Vermandois; and Æthelwulf of Wessex
William the Lion Ermengarde de Beaumont 5 September 1186 1186 Fourth cousins Robert I, Duke of Normandy
William the Silent Anna of Saxony 24 August 1561 1561 Third cousins once removed Louis I, Landgrave of Hesse and Anna of Saxony, Landgravine of Hesse
William I, Count of Boulogne Isabel de Warenne, Countess of Surrey 1148 1148 Fourth cousins Robert II of France and Constance of Arles
William I, German Emperor Augusta of Saxe-Weimar-Eisenach 11 June 1829 1829 Second cousins Louis IX, Landgrave of Hesse-Darmstadt and Countess Palatine Caroline of Zweibrücken
William I of the Netherlands Princess Wilhelmine of Prussia Berlin, 1 October 1791 1791 First cousins Prince Augustus William of Prussia and Duchess Luise of Brunswick-Wolfenbüttel
William I of Wurttemberg Caroline Augusta of Bavaria
(first wife)
1808 1808 Fifth cousins Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
William I of Württemberg Pauline Therese of Württemberg
(third wife)
5 April 1820 1820 First cousins Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
William I, Elector of Hesse Princess Wilhelmina Caroline of Denmark 1 September 1764 1764 First cousins; Third cousins once removed George II of Great Britain and Caroline of Ansbach; William VI, Landgrave of Hesse-Kassel and Margravine Hedwig Sophie of Brandenburg
William II of Württemberg Princess Marie of Waldeck and Pyrmont
(first wife)
15 February 1877 1877 Second cousins once removed Frederick I of Württemberg and Duchess Augusta of Brunswick-Wolfenbüttel
William II of Württemberg Charlotte of Schaumburg-Lippe
(second wife)
8 April 1886 1886 Fifth cousins Louis VIII, Landgrave of Hesse-Darmstadt and Countess Charlotte of Hanau-Lichtenberg
William II of the Netherlands Anna Pavlovna of Russia 21 February 1816 1816 Third cousins Frederick William I of Prussia and Princess Sophia Dorothea of Hanover
William III of the Netherlands Princess Sophie of Württemberg
(first wife)
Stuttgart, 18 June 1839 1839 First cousins Paul I of Russia and Sophie Dorothea of Württemberg
William III of the Netherlands Emma of Waldeck and Pyrmont
(second wife)
7 January 1879 1879 Second cousins twice removed Frederick II Eugene, Duke of Württemberg and Princess Friederike of Brandenburg-Schwedt
William III of England Mary II of England 4 November 1677 1677 First cousins Charles I of England and Henrietta Maria of France
William III, Landgrave of Thuringia Anne of Austria, Landgravine of Thuringia 2 June 1446 1446 Double fourth cousins Albert I of Germany and Elizabeth of Carinthia, Queen of Germany; Wartislaw IV, Duke of Pomerania
William IV of the United Kingdom Adelaide of Saxe-Meiningen 11 July 1818 1818 Third cousins once removed Ernest I, Duke of Saxe-Gotha and Princess Elisabeth Sophie of Saxe-Altenburg
William IV, Prince of Orange Anne, Princess Royal and Princess of Orange 25 March 1734 1734 Fourth cousins once removed William the Silent
William V, Prince of Orange Wilhelmina of Prussia, Princess of Orange 4 October 1767 1767 Second cousins George I of Great Britain and Sophia Dorothea of Celle
William V, Duke of Bavaria Renata of Lorraine 22 February 1568 1568 Second cousins Philip I of Castile and Joanna of Castile
William VIII, Landgrave of Hesse-Kassel Dorothea Wilhelmine of Saxe-Zeitz 27 September 1717 1717 Second cousins George William, Elector of Brandenburg and Elizabeth Charlotte of the Palatinate, Electress of Brandenburg
William, Duke of Nassau Princess Pauline of Württemberg 23 April 1829 1829 Third cousins once removed George II of Great Britain and Caroline of Ansbach
William, Prince of Hohenzollern Princess Maria Teresa of Bourbon-Two Sicilies
(first wife)
27 June 1889 1889 Third cousins once removed Charles IV of Spain and Princess Maria Luisa of Parma
William, Prince of Hohenzollern Princess Adelgunde of Bavaria
(second wife)
20 January 1915 1915 Third cousins once removed Leopold II, Holy Roman Emperor and Maria Luisa of Spain
William, Prince of Wied Princess Marie of the Netherlands 18 July 1871 1871 Second cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz and Princess Friederike of Hesse-Darmstadt
Prince William of Baden Duchess Elisabeth Alexandrine of Württemberg 16 October 1830 1830 Second cousins once removed John William Friso, Prince of Orange and Landgravine Marie Louise of Hesse-Kassel
Prince William of Baden Princess Maria Maximilianovna of Leuchtenberg 11 February 1863 1863 Fourth cousins once removed Frederick William I of Prussia and Princess Sophia Dorothea of Hanover
Prince William of Hesse-Philippsthal-Barchfeld Princess Maria of Hanau and Hořowitz
(first wife)
27 December 1857 1857 Fourth cousins twice removed William VI, Landgrave of Hesse-Kassel and Margravine Hedwig Sophie of Brandenburg
Prince William of Hesse-Philippsthal-Barchfeld Princess Augusta of Schleswig-Holstein-Sonderburg-Glücksburg
(fourth wife)
(daughter of Friedrich, Duke of Schleswig-Holstein-Sonderburg-Glücksburg)
6 December 1884 1884 Third cousins once removed Charles I, Landgrave of Hesse-Philippsthal and Caroline Christine of Saxe-Eisenach
Prince William of Schaumburg-Lippe Princess Bathildis of Anhalt-Dessau 30 May 1862 1862 Third cousins once removed Christian III, Count Palatine of Zweibrücken and Countess Caroline of Nassau-Saarbrücken
William, Duke of Jülich-Cleves-Berg Maria of Austria, Duchess of Jülich-Cleves-Berg 18 July 1546 1546 Fourth cousins Ernest, Duke of Austria and Cymburgis of Masovia
Duke William of Mecklenburg-Schwerin Princess Alexandrine of Prussia 9 December 1865 1865 First cousins Frederick William III of Prussia and Louise of Mecklenburg-Strelitz
William the Younger, Duke of Brunswick-Lüneburg Dorothea of Denmark, Duchess of Brunswick-Lüneburg 12 October 1561 1561 Second cousins John Cicero, Elector of Brandenburg and Margaret of Thuringia
William Ernest, Grand Duke of Saxe-Weimar-Eisenach Princess Caroline Reuss of Greiz
(first wife)
30 April 1903 1903 Third cousins once removed Charles Christian, Prince of Nassau-Weilburg and Princess Carolina of Orange-Nassau
William Ernest, Grand Duke of Saxe-Weimar-Eisenach Princess Feodora of Saxe-Meiningen
(second wife)
14 January 1910 1910 Third cousins Georg I, Duke of Saxe-Meiningen and Princess Louise Eleonore of Hohenlohe-Langenburg
Prince William Frederick, Duke of Gloucester and Edinburgh Princess Mary of Great Britain 22 July 1816 1816 First cousins Frederick, Prince of Wales and Princess Augusta of Saxe-Gotha-Altenburg
William Frederick, Prince of Wied Princess Pauline of Württemberg 29 October 1898 1898 Half-second cousins William, Duke of Nassau
Władysław IV, king of Poland Cecilia Renata of Austria
(first wife)
Vienna, 9 August 1637 1637 First cousins Charles II, Archduke of Austria and Maria Anna of Bavaria
Prince Wolfgang of Hesse Princess Marie Alexandra of Baden 17 September 1924 1924 Second cousins once removed Prince William of Hesse-Kassel and Princess Charlotte of Denmark
Wolfgang Wilhelm, Count Palatine of Neuburg Magdalene of Bavaria 11 November 1613 1613 Second cousins Ferdinand I, Holy Roman Emperor and Anne of Bohemia and Hungary
Wolrad, Prince of Schaumburg-Lippe Princess Bathildis of Schaumburg-Lippe
(daughter of Duchess Elsa of Württemberg)
April 1925 1925 Second cousins George William, Prince of Schaumburg-Lippe and Princess Ida of Waldeck and Pyrmont

Royalty outside Europe

Japan

  • Emperor Ichijō of Japan and his wife Fujiwara no Akiko
  • Emperor Kōbun of Japan and Empress Tōchi
  • Prince Nagaya of Japan and his wife Princess Kibi
  • Prince Shōtoku of Japan and his wife Princess Uji no Kaitako
  • Emperor Keikō and his first cousin, Yasaka Iribime
  • Emperor Chūai and his third cousin once removed, Empress Jingū
  • Emperor Ōjin and his distant cousin, Nakatsu Hime
  • Emperor Ingyō and his half cousin, Oshisaka no Hime
  • Emperor Keitai and his distant cousin, Tashiraka
  • Emperor Senka and his distant cousin, Tachibana
  • Emperor Kinmei and his cousins, Soga no Kitashihime, Soga no Oanenokimi, and Iwa-hime
  • Emperor Kōnin and his first cousin twice removed, Princess Inoe
  • Emperor Ninmyō and his distant cousin, Fujiwara no Nobuko
  • Fujiwara no Yoshifusa and his distant cousin, Minamoto no Kiyohime
  • Emperor Montoku and his first cousin, Fujiwara no Akirakeiko
  • Emperor Seiwa and his first cousin once removed, Fujiwara no Takaiko
  • Emperor Daigo and his distant cousin, Fujiwara no Onshi
  • Fujiwara no Morosuke and his first cousin once removed, Kōshi
  • Emperor Murakami and his first cousin once removed, Fujiwara no Anshi
  • Emperor Reizei and his cousins, Princess Masako, Fujiwara no Kaishi, and Fujiwara no Chōshi
  • Fujiwara no Michinaga and his distant cousin, Minamoto no Rinshi
  • Emperor Ichijō and his first cousin, Empress Shōshi
  • Emperor Sanjō and his second cousin, Fujiwara no Kenshi
  • Emperor Go-Suzaku and his first cousin, Princess Teishi
  • Emperor Go-Sanjō and his cousins, Princess Kaoruko and Fujiwara Shigeko
  • Emperor Go-Reizei and his first cousin, Princess Shōshi
  • Emperor Horikawa and his first cousin once removed, Fujiwara no Ishi
  • Emperor Toba and his first cousin, Fujiwara no Tamako
  • Fujiwara no Tashi and her first cousins, Emperor Nijō and Emperor Konoe
  • Emperor Go-Saga and his distant cousin, Fujiwara no Kitsushi
  • Emperor Go-Fukakusa and his first cousin once removed, Tōin Inshi
  • Emperor Kameyama and his first cousin once removed, Fujiwara no Saneko
  • Prince Hisaaki and his half first cousin once removed
  • Emperor Fushimi and his distant cousin, Tōin Sueko
  • Emperor Go-Daigo and his second cousin once removed, Princess Junshi
  • Emperor Kōkaku and his second cousin once removed, Princess Yoshiko (Kōkaku)
  • Emperor Kōmei and his distant cousin, Empress Eishō. He also had a concubinage with his third cousin once removed, Nakayama Yoshiko.
  • Emperor Meiji and his distant cousin, Masako Ichijō. He also had a concubinage with his third cousin, Yanagihara Naruko
  • Emperor Taishō and his distant cousin, Sadako Kujō
  • Emperor Shōwa of Japan and his tenth cousin once removed, Princess Nagako of Kuni
  • Yasuhito, Prince Chichibu and his eighth cousin thrice removed, Setsuko Matsudaira
  • Nobuhito, Prince Takamatsu and his sixth cousin twice removed, Kikuko Tokugawa
  • Takahito, Prince Mikasa and his second cousin once removed Yuriko Takagi
  • Masahito, Prince Hitachi and his fifth cousin Hanako Tsugaru
  • Shigeko, Princess Teru and her double first cousin once removed, Prince Morihiro Higashikuni
  • Princess Masako Takeda and her distant cousin, Prince Tsunehisa Takeda
  • Fusako, Princess Kane and her distant cousin, Prince Naruhisa Kitashirakawa
  • Princess Nobuko Asaka and her distant cousin, Prince Yasuhiko Asaka
  • Toshiko, Princess Yasu and her distant cousin, Prince Naruhiko Higashikuni
  • Princess Sumiko and her distant cousin, Prince Yamashina Akira
  • Princess Yasuko of Mikasa and her fourth cousin once removed, Tadateru Konoe
  • Princess Noriko of Takamado and her third cousin once removed, Kunimaro Senge
  • Prince Yamashina Takehiko and his second cousin, Princess Sakiko
  • Prince Kuni Asaakira and his cousin, Princess Tomoko
  • Prince Fushimi Sadanaru and his distant cousin, Princess Arisugawa Toshiko
  • Atsuko, Princess Yori and her second cousin, Ikeda Takamasa
  • Kazuko, Princess Taka and her second cousin once removed, Toshimichi Takatsukasa
  • Takako, Princess Suga of Japan and her distant cousin Hisanaga Shimazu

Saudi Arabia

  • Ibn Saud and his second cousin, Al Jawhara bint Musaed Al Jiluwi, his first cousin once removed, Hussa bint Ahmed Al Sudairi, and his distant cousins, Jawhara bint Saad bin Abdul Muhsin al Sudairi and Haya bint Sa'ad Al Sudairi
  • Muhammad bin Abdul-Rahman and his first cousin once removed, Hussa bint Ahmed Al Sudairi
  • Saud of Saudi Arabia and his second cousin, Munira bint Sa'ad bin Saud bin Faisal Al Saud
  • Faisal of Saudi Arabia and his first cousin, Al Jawhara bint Saud bin Abdulaziz Al Saud Al Kabir, his second cousin, Sultana bint Ahmed Al Sudairi, and his distant cousins, Iffat Al-Thunayan and Haya bint Turki bin Abdulaziz Al Turki
  • Khalid of Saudi Arabia and his first cousin, Tarfa bint Abdullah bin Abdul Rahman Al Saud, his second cousin, Latifa bint Ahmed Al Sudairi, and his distant cousin, Noura bint Turki bin Abdulaziz bin Abdullah bin Turki Al Saud
  • Fahd of Saudi Arabia and his first cousin, Jawza bint Abdallah bin Abdul Rahman Al Saud, and his cousins, Al Anood bint Abdulaziz bin Mousad Al Saud, Al Jowhara bint Abdullah Al Sudairi, and Modhi bint Turki bin Abdullah Al Saud
  • Abdullah of Saudi Arabia and his cousin, Jawahir bint Ali Hussein Al Jiluwi
  • Salman bin Abdulaziz Al Saud and his first cousin, Sultana bint Turki Al Sudairi
  • Nasser bin Abdulaziz Al Saud and his second cousin, Muhdi bint Ahmed bin Mohammed Al Sudairi
  • Al Bandari bint Abdulaziz Al Saud and her first cousin, Bandar bin Muhammad Al-Saud
  • Luluwah bint Abdulaziz Al Saud and her second cousin once removed, Faisal bin Turki bin Abdullah bin Saud Al Saud
  • Sultan bin Abdulaziz Al Saud and his cousins, Munira bint Abdulaziz bin Musaed bin Jalawi, Jowaher bint Mohammed bin Saud bin Nasser Al Farhan Al Saud, Mouda bint Saud Al Kabeer Al Saud, Leila Al Thunayan, and Abir bint Fahd Al Faisal Al Farhan Al Saud
  • Nayef bin Abdulaziz Al Saud and his cousins, Maha al-Sudairi and Al Jawhara bint Abdulaziz bin Musaid Al Jiluwi
  • Turki II bin Abdulaziz Al Saud and his first cousin, Noura bint Abdallah bin Abdul Rahman
  • Sattam bin Abdulaziz Al Saud and his first cousin, Sheikha bint Abdullah bin Abdul Rahman
  • Mashhur bin Abdulaziz Al Saud and his cousin, Noura bint Mohammed bin Saud Al-Kabeer Al Saud
  • Al Jawhara bint Abdulaziz Al Saud and her first cousin, Khalid ibn Abdullah
  • Seeta bint Abdulaziz Al Saud and her distant cousin, Abdullah bin Mohammed bin Saud Al Kabir Al Saud
  • Badr bin Abdulaziz Al Saud and his first cousin, Hessa bint Abdullah Al Sudairi
  • Haya bint Abdulaziz Al Saud and her first cousin, Muhammad bin Saud bin Abdul Rahman Al Saud
  • Sara bint Abdulaziz Al Saud and her first cousin, Faisal bin Saad bin Abdulrahaman
  • Mohammad bin Salman and his first cousin, Sara bint Mashoor bin Abdulaziz Al Saud
  • Khalid bin Faisal Al Saud and his first cousin once removed, Al Anoud bint Abdullah bin Mohammad bin Abdul Rahman Al Saud
  • Muhammad bin Saad and his first cousin, Seeta bint Saud bin Abdulaziz Al Saud
  • Saud bin Abdul Muhsin Al Saud and his first cousins, Lolowah bint Faisal Al Saud and Bonaiah bint Fahd bin Abdullah bin Abdul Rahman Al Saud
  • Turki bin Nasser and his first cousin, Noura bint Sultan bin Abdulaziz Al Saud
  • Khalid bin Sultan and his first cousins, Lulua bint Fahd and Abeer bint Turki bin Abdulaziz
  • Bandar bin Sultan and his first cousin, Haifa bint Faisal
  • Muhammad bin Fahd and his first cousin, Jawahir bint Nayef bin Abdulaziz Al Saud
  • Khalid bin Abdullah bin Abdulaziz Al Saud and his first cousin, Noura bint Abdullah bin Muhammad bin Abdullah
  • Saud bin Fahd Al Saud and his first cousin, Mudhawi bint Musaid bin Abdulaziz Al Saud
  • Mohammed bin Nawwaf bin Abdulaziz and his first cousin once removed, Fadwa bint Khaled bin Abdallah Al Saud
  • Al-Waleed bin Talal and his half-first cousin, Dalal bint Saud
  • Saud bin Faisal bin Abdulaziz Al Saud and his first cousin once removed, Jawhara bint Abdullah bin Abdul-Rahman
  • Sultan bin Salman Al Saud and his first cousin once removed, Haifa bint Saud
  • Abdulaziz bin Majid and his first cousin once removed, Nuha bint Saud
  • Muhammad bin Nayef and his first cousin Reema bint Sultan
  • Abdulaziz bin Salman and his first cousin once removed, Sara bint Khalid bin Musa'ad bin Abdulaziz
  • Khaled bin Talal bin Abdul Aziz Al Saud and his half-first cousin, Jazzi bint Saud bin Abdul Aziz Al Saud
  • Sultan bin Turki II bin Abdulaziz Al Saud and his first cousin, Nora bint Abdullah
  • Turki bin Abdullah Al Saud and his first cousin once removed, Hala bint Khalid
  • Abdul Aziz bin Fahd and his first cousin once removed, Al Anoud bint Faisal Al Saud
  • Salman bin Sultan and his first cousin, Falwa bint Ahmed bin Abdulaziz Al Saud
  • Prince Abdulaziz bin Talal bin Abdulaziz Al Saud and his first cousin once removed, Sora Saud
  • Mishaal bin Saud and his first cousin once removed, Sara bint Faisal bin Turki I bin Abdulaziz Al Saud
  • Faisal bin Turki I bin Abdulaziz Al Saud and his first cousin, Hassa bint Saud bin Abdulaziz Al Saud
  • Fahad bin Saud bin Abdulaziz Al Saud and his first cousin, Al Anoud bint Faisal Al Saud
  • Muhammed bin Saud Al Saud and his first cousin, Sara bint Faisal Al Saud
  • Faisal bin Fahd and his first cousin, Munira bint Sultan bin Abdulaziz Al Saud
  • Fahd bin Salman bin Abdulaziz Al Saud and his first cousin, Nuf bint Khalid bin Abdallah Al Abdul Rahman
  • Ahmed bin Salman bin Abdulaziz Al Saud and his first cousin once removed, Lamia bint Mishaal bin Saud bin Abdulaziz Al Saud
  • Noura bint Abdul Rahman Al Saud and her first cousin once removed, Saud ibn Abd al-Aziz ibn Saud
  • Mutaib bin Abdullah and his first cousin once removed, Jawahir bint Abdallah bin Abdul Rahman Al Saud
  • Fahd bin Abdullah bin Mohammed Al Saud and his first cousin, Fahda bint Bandar bin Mohammed bin Abdul Rahman Al Saud
  • Faisal bin Fahd bin Abdullah Al Saud and his half-second cousin, Nouf bint Mutaib bin Abdullah bin Abdulaziz Al Saud
  • Faisal bin Abdullah bin Mohammed Al Saud and his first cousin, Adila bint Abdulla Al Saud
  • Moudi bint Khalid Al Saud and her first cousin, Abdul Rahman bin Faisal bin Abdulaziz Al Saud
  • Faisal bin Bandar Al Saud and his second cousin once removed, Nura bint Muhammad bin Saud Al Abdul Rahman
  • Turki bin Faisal Al Saud and his cousin, Nouf bint Fahd bin Khalid Al Saud
  • Sultan bin Fahd Al Saud and his cousin, Juhayr bint Faisal bin Turki Al Saud
  • Khalid bin Bandar Al Saud and his second cousin once removed, Mashael bint Mohammed bin Saud bin Abdul Rahman Al Saud
  • Mansour bin Mutaib Al Saud and his cousin, Ibtisam bint Yazid bin Abdallah Al Abdul Rahman
  • Mishaal bin Majid and his first cousin once removed, Al Jawhara bint Khalid bin Musaid Al Saud
  • Hussam bin Saud bin Abdulaziz Al Saud and his first cousin, Sarah Bint Musa'ad bin Abdulaziz
  • Abdullah bin Musa'ad bin Abdulaziz Al Saud and his cousin, Jawaher bint Fahd bin Abdullah Al Saud
  • Mishaal bin Abdullah Al Saud and his cousins, Luluwah bint Nawaf bin Mohammed bin Abdullah bin Abdulrahman Al Saud and Nouf bint Bandar Al Saud
  • Reema bint Bandar Al Saud and her first cousin, Faisal bin Turki bin Nasser
  • Faisal bin Turki bin Nasser and his second cousin once removed, Al Anoud bint Mishal bin Mohammed bin Saud
  • Bandar bin Khalid Al Saud and his cousin, Nouf bint Mohammed bin Abdullah bin Mohammed Al Saud
  • Saud bin Khalid Al Saud and his third cousin once removed, al-Jawhara bint Khalid bin Saud Al Abd al-Rahman
  • Turki Bin Mohammed Bin Nasser Bin Abdulaziz Al Saud and his cousin, Kholoud Bint Khaled Al Saud
  • Sultan bin Mohammed bin Saud Al Kabeer and his cousin, Al Juwhara bint Saad bin Abdulaziz Al Saud

Others

Kamehameha IV
Queen Emma
Guangxu Emperor
Prince Shōtoku
  • Airlangga, regional king of Bali, Indonesia and his first cousin
  • Prithviraj Chauhan of India and his first cousin once removed Sanyogita.
  • King Darius I of Persia and his third cousin, Atossa
  • King Kamehameha the Great of Hawaiʻi and his second cousins: Queen Kaahumanu, Queen Kaheiheimālie and Queen Namahana Piʻia
  • Alexander Liholiho King Kamehameha IV of Hawaiʻi and his second cousin, Queen Emma Kaleleonalani Naʻea
  • Abdullah I of Jordan and his first cousin, Musbah bint Nasser
  • Talal of Jordan and his first cousin, Zein al-Sharaf Talal
  • Hussein of Jordan and his first cousin once removed Sharifa Dina bint 'Abdu'l-Hamid
  • Princess Maqbula bint Abdullah and her first cousin Hussein ibn Nasser
  • Prince Hamzah bin Al Hussein and his second cousin Princess Noor Hamzah
  • Zaitian, the Guangxu Emperor and his first cousin, Yehenara Jingfen
  • Crown Prince Sado of Joseon and his fourth cousin twice removed Lady Hong
  • King Bhumibol Adulyadej of Thailand and his half-first cousin once removed Mom Rajawongse Sirikit Kitiyakara
  • Buddha Loetla Nabhalai and his first cousin, Sri Suriyendra
  • Chulalongkorn and his first cousins once removed, Ubolratana Narinaka, Saovabhak Nariratana, and Saisavali Bhiromya.
  • Vajiravudh and his first cousin, Lakshamilavan
  • Prajadhipok and his first cousin, Rambai Barni
  • Vajiralongkorn, Crown Prince of Thailand and his first cousin Mom Luang Soamsavali Kitiyakara
  • Adulakit Kitiyakara and his second cousin, Bandhusawali Yugala
  • Kitiyakara Voralaksana and his first cousin, Mom Chao Absornsamarn Dhevakul
  • Nakkhatra Mangala and his second cousin, Bua Sanidvongs
  • Varananda Dhavaj and his first cousin, Galyani Vadhana
  • Yugala Dighambara and his first cousin, Chalermkhetra Mangala
  • Vibhavadi Rangsit and her first cousin once removed, Piyarangsit Rangsit
  • Wan Waithayakon and his first cousin once removed, Bibulaya Benching Kitiyakara
  • Vimolchatra and her first cousin, Udaya Chalermlabh Vudhijaya
  • Bidyalongkorn and his second cousin, Phonphimonphan Rajani
  • Zaichun, the Tongzhi Emperor and his second cousin Lady Alute[85]
  • Emperor Taizong of Tang and his second cousin Consort Yang[86]
  • Emperor Zhongzong of Tang and his first cousin Lady Zhao[87]
  • Emperor Xianzong of Tang and his first cousin once removed Lady Guo
  • Emperor Wen of Western Wei and his first cousin Lady Yifu
  • Emperor Wu of Han and his first cousin Chen Jiao
  • Chen Shubao, emperor of the Chen dynasty, and his second cousin Shen Wuhua
  • Hayam Wuruk, last king of Majapahit, and half sister Padukasori, daughter of Dyah Wiyat, they have 1 father, different mothers
  • Emperor Guangwu of Han and his fifth cousin once removed Guo Shengtong
  • Puyi, Xuantong Emperor and his fourth cousin thrice-removed Gobulo Wan Rong
  • Princess Wen Ying (younger sister of Puyi) and her fourth cousin thrice-removed Gobulo Runliang (full older brother of Wan Rong)
  • Princess Wen Wing (younger sister of Puyi) and her fourth cousin thrice-removed Gobulo Runqi (younger half-brother of Wan Rong)
  • Princess Baling of Tang (daughter of Emperor Taizong of Tang) and her first cousin Chai Lingwu, Duke of Xiangyang[88]
  • Emperor Ruizong of Tang and his second cousin Consort Dou
  • Princess Taiping of Tang (daughter of Emperor Gaozong of Tang) and her first husband and first cousin Xue Shao,[89] as well as her second husband and second cousin Wu Youji, Prince Zhongdian of Ding
  • Li Xianhui, Lady Yongtai (daughter of Emperor Zhongzong of Tang) and her first cousin Wu Yanji, Prince of Wei[90][91]
  • Li Guo'er, Princess Anle and her first husband and second cousin Wu Chongxun, Prince of Gaoyang,[92] as well as her second husband and first cousin Wu Yanxiu, Prince of Huaiyang[90][93]
  • King Muyeol of Silla and his first cousin once removed Kim Mun-hui (posthumously known as Queen Munmyeong)
  • Princess Cheonmyeong of Silla (daughter of King Jinpyeong of Silla) and her first cousin once removed Kim Yongsu
  • State Princess Wenxian (daughter of the Kangxi Emperor) and her second cousin Tunggiya Shun’anyan
  • King Xerxes I of Persia and his first cousin Amestris
  • King Antiochus III the Great of the Seleucid Empire and his first cousin Princess Laodice of Pontus
  • King Mithridates III of Commagene and his first cousin Princess Isias Philostorgos of Cappadocia
  • King Antiochus VIII Grypus of the Seleucid Empire and his first cousin Princess Tryphaena of Egypt
  • Gaius Julius Archelaus Antiochus Epiphanes and his fourth cousin or third cousin once removed Claudia Capitolina
  • Mohammed bin Rashid Al Maktoum, Prime Minister of the United Arab Emirates, and his first cousin, Hind bint Maktoum bin Juma Al Maktoum
  • Hamad bin Isa Al Khalifa and his first cousin, Sabika bint Ibrahim Al Khalifa
  • Khalifa bin Salman Al Khalifa and his first cousin, Hessa bint Ali Al Khalifa
  • Rashid bin Khalifa Al Khalifa and his second cousin, Lulwa bint Khalifa Al Khalifa
  • Salman, Crown Prince of Bahrain and his cousin, Hala bint D'aij Al Khalifa
  • Abdullah bin Hamad bin Isa Al Khalifa and his cousin, Hessa bint Khalifa Al Khalifa
  • Khalid bin Hamad Al Khalifa and his first cousin, Hessa bint Mohammed bin Isa Al Khalifa
  • Isa bin Salman Al Khalifa and his third cousin, Hessa bint Salman Al Khalifa
  • Hamad bin Khalifa Al Thani and his first cousins, Sheikha Mariam bint Muhammad Al-Thani and Sheikha Noora bint Khalid Al-Thani
  • Tamim bin Hamad Al Thani and his first cousin, Sheikha Jawahir bint Hamad Al Thani
  • Al-Mayassa bint Hamad bin Khalifa Al-Thani and her second cousin, Sheikh Jassim bin Abdul Aziz Al-Thani
  • Abdullah bin Khalifa Al Thani and his first cousin, Lolwa bint Jassim bin Hamad
  • Hamad bin Suhaim Al Thani and his first cousin, Aisha bint Khalifa bin Hamad Al Thani
  • Saud bin Abdelaziz bin Hamad Al Thani and his first cousins, Roda bint Jassim bin Hamad bin Abdullah Al Thani and Lolwa bint Mohammed bin Hamad bin Abdullah Al Thani
  • Jassim bin Hamad bin Khalifa Al Thani and his cousin, Buthaina bint Ahmad Al Thani
  • Khalifa bin Hamad Al Thani and his cousins, Amna bint Hassan bin Abdulla Al Thani, Rudha bint Jassim bin Jabr Al Thani, and Moza bint Ali bin Saud Al Thani
  • Hamad bin Abdullah Al Thani and his first cousin, Sarah bint Mohammed bin Jassim Al Thani
  • Abdullah bin Jassim Al Thani and his cousin, Fatima bint Isa Al Thani
  • Ali bin Abdullah Al Thani and his cousin, Noura Al-Thani
  • Mohammed bin Jassim Al Thani and his first cousin, Aisha bint Ahmed
  • Khalid bin Hamad bin Abdullah Al Thani and his cousin, Amna bint Jassim Al Thani
  • Hamad bin Jassim bin Jaber Al Thani and his cousin, Jawaher bint Fahad Al Thani
  • Sabah Al-Ahmad Al-Jaber Al-Sabah and his first cousin once removed, Sheikha Fatuwah bint Salman Al-Sabah
  • Jaber II Al-Sabah and his first cousin, Shekha bint Abdullah II Al-Sabah
  • Saad Al-Salim Al-Sabah and his cousin, Latifa Fahad Al-Sabah
  • Mohammad Sabah Al-Salem Al-Sabah and his cousin, Feryal Duaij Al Salman Al Sabah
  • Ahmad Al Khalid Al Sabah and his cousin, Wadad Mubarak Al-Hamad Al-Sabah
  • Sabah Al-Khalid Al-Sabah and his cousin, Aida Salim Al Ali Al Sabah
  • Tupou VI and his second cousin, Nanasipauʻu Tukuʻaho
  • Tupoutoʻa ʻUlukalala and his double second cousin, Sinaitakala Fakafanua
  • ʻElisiva Fusipala Taukiʻonetuku and her half-first cousin, Siaʻosi Fatafehi Toutaitokotaha
  • Mohammed V of Morocco and his first cousin, Lalla Abla bint Tahar
  • Moulay Ali Alaoui and his first cousin, Lalla Fatima Zohra
  • Hussein Kamel of Egypt and his half-first cousin, Ayn-al-Hayat Rifaat
  • Tewfik Pasha and his first cousin once removed, Emina Ilhamy
  • Fuad I of Egypt and his first cousin once removed, Shivakiar Ibrahim
  • Faiza Rauf and her first cousin, Bulent Rauf
  • Muhammad Abdel Moneim and his third cousin, Fatma Neslişah
  • Rukiye Sabiha Sultan and her second cousin, Ömer Faruk Efendi
  • Qaboos bin Said al Said and his first cousin, Sayyida Nawwal bint Tariq Al Said
  • Taimur bin Feisal and his first cousin once removed, Fatima bint Ali Al Said
  • Faisal bin Turki and his first cousin, Aliya bint Thuwaini Al Said
  • Moshoeshoe II of Lesotho and his second cousin once removed, Queen Mamohato of Lesotho
  • Hassanal Bolkiah and his first cousin, Queen Saleha of Brunei
  • Omar Ali Saifuddien III and his first cousin once removed, Pengiran Anak Damit
  • Norodom Suramarit and his first cousin once removed, Sisowath Kossamak
  • Sisowath Monivong and his first cousin once removed, Norodom Kanviman Norleak Tevi
  • Ghazi of Iraq and his first cousin, Aliya bint Ali
  • Ugyen Wangchuck and his first cousin once removed, Tsundue Pema Lhamo
  • Jigme Wangchuck and his first cousin once removed, Phuntsho Choden
  • Mohammed Nadir Shah and his first cousin, Mah Parwar Begum
  • Mohammed Zahir Shah and his first cousin, Humaira Begum
  • Mohammed Daoud Khan and his half-first cousin, Zamina Begum
  • Mansour bin Zayed Al Nahyan and his second cousin once removed, Manal bint Mohammed bin Rashid Al Maktoum
  • Birendra of Nepal and his second cousin, Queen Aishwarya of Nepal
  • Gyanendra of Nepal and his second cousin, Queen Komal of Nepal
  • Dhirendra of Nepal and his second cousin, Prekshya Shah
  • Taw Phaya and his first cousin, Phaya Rita
  • Zayed bin Sultan Al Nahyan and his first cousins once removed, Hassa bint Mohammed bin Khalifa Al Nahyan and Shamsa bint Mohammed Al Nahyan
  • Hazza bin Sultan Al Nahyan and his first cousins, Maryam bint Said bin Zayed bin Khalifa Al Nahyan and Maryam bint Hamdan bin Zayed bin Khalifa Al Nahyan
  • Hamdan bin Mohammed Al Maktoum and his cousin, Shaikha bint Saeed bin Thani Al Maktoum
  • Maktoum bin Rashid Al Maktoum and his cousin, Alia bint Khalifa bin Saeed al Maktoum
  • Hamdan bin Rashid Al Maktoum and his cousins, Sheikh Rashid bin Hamdan Al Maktoum and Latifa bint Hamdan Rashid Al Maktoum
  • Idris of Libya and his first cousin once removed, Fatimah el-Sharif

Aristocracy

Person Spouse Married Relationship Common ancestor(s)
Lady Frances Brandon Henry Grey, 1st Duke of Suffolk
(first husband)
Southwark, London, 1533 Half-second cousins Elizabeth Woodville
Robert Dudley, 1st Earl of Leicester Amy Robsart
(first wife)
4 June 1550 Sixth cousins once removed Thomas de Beauchamp, 11th Earl of Warwick and Katherine Mortimer, Countess of Warwick
Robert Dudley, 1st Earl of Leicester Lettice Knollys
(second wife)
Wanstead Hall, Essex, 21 September 1578 Sixth cousins Thomas de Beauchamp, 11th Earl of Warwick and Katherine Mortimer, Countess of Warwick
Jessica Mitford Esmond Romilly 18 May 1937 Second cousins David Ogilvy, 10th Earl of Airlie and the Hon. Henrietta Blanche Stanley
Pedro Sánchez de Tagle, 2nd Marquis of Altamira Luisa Sánchez de Tagle
(daughter of Luis Sánchez de Tagle, 1st Marquis of Altamira)
First cousins Don Anselmo Sánchez de Tagle and Juliana de la Rasa Barreda
María de la Paz Rodríguez Albuerne y Girón
(daughter of Manuel Rodriguez de Albuerne y Pérez de Tagle, 5th Marquis of Altamira)
José María Trespalacios Rodríguez de Albuerne First cousins Don Juan Rodríguez de Albuerne and Luisa Pérez de Tagle, 4th Marquesa of Altamira
Humphrey Stafford, 1st Duke of Buckingham Lady Anne Neville Raby Castle, County Durham, before 18 October 1424 Second cousins Edward III of England and Philippa of Hainault
Humphrey Stafford, Earl of Stafford Lady Margaret Beaufort Third cousins Edward III of England and Philippa of Hainault
Roger Mortimer, 4th Earl of March Lady Alianore Holland 7 October 1388 Second cousins once removed; half-third cousins once removed Henry, 3rd Earl of Lancaster and Maud Chaworth; Edward I of England
Thomas Holland, 2nd Earl of Kent Lady Alice FitzAlan 10 April 1364 Third cousins Henry III of England and Eleanor of Provence
Lady Eleanor Neville Richard le Despenser, 4th Baron Burghersh
(first husband)
Second cousins Edward III of England and Philippa of Hainault
Lady Eleanor Neville Henry Percy, 2nd Earl of Northumberland
(second husband)
Second cousins Ralph Neville, 2nd Baron Neville de Raby
John Beaufort, 1st Earl of Somerset Lady Margaret Holland 27 September 1397 Half-third cousins Edward I of England
Lady Elizabeth Percy Ralph Neville, 2nd Earl of Westmorland
(second husband)
1426 Second cousins once removed Ralph Neville, 2nd Baron Neville and Alice Audley
Henry Bourchier, 1st Earl of Essex Isabel of Cambridge Second cousins Edward III of England and Philippa of Hainault
Edmund Mortimer, 5th Earl of March Lady Anne Stafford Second cousins Edward III of England and Philippa of Hainault
John de Mowbray, 3rd Duke of Norfolk Eleanor Bourchier
(daughter of William Bourchier, 1st Count of Eu)
Second cousins once removed Edward III of England and Philippa of Hainault
Lady Katherine Neville John de Mowbray, 2nd Duke of Norfolk
(first husband)
12 January 1411 Half-fourth cousins Edward I of England
Henry Fitzalan-Howard, 15th Duke of Norfolk Gwendolen Constable-Maxwell, 12th Lady Herries of Terregles 5 February 1904 First cousins once removed Henry Howard, 13th Duke of Norfolk and Lady Charlotte Sophia Leveson-Gower
Giovanni dalle Bande Nere Maria Salviati 15 November 1516 Third cousins once removed Giovanni di Bicci de' Medici and Piccarda Bueri
Laudomia de' Medici Piero Strozzi 1539 Fourth cousins once removed Giovanni di Bicci de' Medici and Piccarda Bueri
Laudomia de' Medici Alamanno Salviati Fourth cousins Giovanni di Bicci de' Medici and Piccarda Bueri
Maddalena de' Medici Roberto Strozzi Fourth cousins once removed Giovanni di Bicci de' Medici and Piccarda Bueri
Lady Catherine Grey Edward Seymour, 1st Earl of Hertford
(second husband)
Hertford House, Canon Row, London, c. 27 November 1560 Sixth cousins once removed Philippa, 5th Countess of Ulster and Edmund Mortimer, 3rd Earl of March
Lady Jane Grey Lord Guildford Dudley Durham House, London, 21 May 1553 Third cousins once removed Elizabeth Ferrers, 6th Baroness Ferrers of Groby and Edward Grey, 6th Baron Ferrers of Groby
Lord Edward Cavendish Emma Lascelles
(daughter of William Lascelles)
3 August 1865 First cousins George Howard, 6th Earl of Carlisle and Lady Georgiana Cavendish
William Cavendish, 7th Duke of Devonshire Lady Blanche Georgiana Howard 6 August 1829 Second cousins William Cavendish, 4th Duke of Devonshire and Charlotte Boyle, 6th Baroness Clifford
William Cavendish The Hon. Louisa O'Callaghan
(daughter of Cornelius O'Callaghan, 1st Baron Lismore)
18 July 1807 Second cousins William Cavendish, 3rd Duke of Devonshire and Catherine Hoskins
Isabella Appiani, Princess of Piombino Paolo Giordano II Orsini, Duke of Bracciano
(second husband)
Rome, 1622 Third cousins Jacopo Salviati and Lucrezia de' Medici
Henry Sturt, 1st Baron Alington Lady Augusta Bingham
(first wife)
(daughter of George Bingham, 3rd Earl of Lucan)
10 September 1853 First cousins Robert Brudenell, 6th Earl of Cardigan and Penelope Anne Cooke
William Donn de Burgh, 3rd Earl of Ulster Maud of Lancaster before 16 November 1327 Third cousins once removed Henry III of England and Eleanor of Provence
George Spencer-Churchill, 6th Duke of Marlborough Lady Jane Stewart
(first wife)
St George's, Hanover Square, London, 13 January 1819 First cousins John Stewart, 7th Earl of Galloway and Anne Dashwood
George Spencer-Churchill, 6th Duke of Marlborough Jane Stewart
(third wife)
(daughter of Edward Richard Stewart)
18 October 1851 First cousins John Stewart, 7th Earl of Galloway and Anne Dashwood
Lady Louisa Spencer-Churchill
(daughter of George Spencer-Churchill, 6th Duke of Marlborough)
The Hon. Robert Spencer
(son of Francis Spencer, 1st Baron Churchill)
4 July 1845 First cousins once removed George Spencer, 4th Duke of Marlborough and Lady Caroline Russell
William Kerr, 1st Earl of Lothian Anne Kerr, 3rd Countess of Lothian
(daughter of Robert Kerr, 2nd Earl of Lothian)
1630 Half-fifth cousins once removed Andrew Kerr of Altonburn and Cessford
William FitzRoy
(son of Charles FitzRoy, 1st Baron Southampton)
Lady Elizabeth FitzRoy
(daughter of Augustus FitzRoy, 3rd Duke of Grafton)
4 July 1811 First cousins Lord Augustus FitzRoy and Elizabeth Cosby
George Waldegrave, 4th Earl Waldegrave Elizabeth Waldegrave, Countess Waldegrave 5 May 1782 First cousins James Waldegrave, 1st Earl Waldegrave and Mary Webb
Hugh Grosvenor, 1st Duke of Westminster Lady Constance Leveson-Gower 1852 First cousins George Leveson-Gower, 1st Duke of Sutherland and Elizabeth Sutherland, 19th Countess of Sutherland
Robert Grosvenor, 5th Duke of Westminster Hon. Viola Lyttelton 3 December 1946 Second cousins William Cavendish, 2nd Baron Chesham and Henrietta Frances Lascelles
William FitzClarence, 2nd Earl of Munster Wilhelmina Kennedy-Erskine 17 April 1855 First cousins William IV of the United Kingdom and Dorothea Jordan
Nathan Rothschild, 1st Baron Rothschild Emma Louise von Rothschild
(daughter of Mayer Carl von Rothschild)
16 April 1867 Second cousins Mayer Amschel Rothschild and Guttle Schnapper
George Mountbatten, 2nd Marquess of Milford Haven Countess Nadejda Mikhailovna de Torby 15 November 1916 Double third cousins once removed Charles Frederick, Grand Duke of Baden; Charles Louis, Hereditary Prince of Baden and Princess Amalie of Hesse-Darmstadt
Jaime Álvares Pereira de Melo, 3rd Duke of Cadaval Luísa, Duchess of Cadaval Fourth cousins Jaime, Duke of Braganza
Philippe II de Croÿ Anne de Croÿ
(daughter of Charles I de Croÿ)
Third cousins Jean II de Croÿ and Marie of Lalaing
William Ker, 2nd Earl of Roxburghe Jean Ker Half-first cousins Robert Ker, 1st Earl of Roxburghe
James Lowther, 7th Earl of Lonsdale Hon. Jennifer Lowther
(daughter of Hon. Christopher Lowther)
9 September 1954 Third cousins Henry Lowther and Lady Lucy Eleanor Sherard
Frederick Spencer, 4th Earl Spencer Georgiana Poyntz
(daughter of William Stephen Poyntz)
23 February 1830 Second cousins Stephen Poyntz and Anna Maria Mordaunt
Francisco de Borbón y de la Torre Enriqueta de Borbón y Parade, 4th Duchess of Seville
(daughter of Enrique de Borbón y Castellví, 2nd Duke of Seville)
21 August 1907 First cousins Infante Enrique, Duke of Seville and Elena María de Castellví y Shelly
Edward Russell, 1st Earl of Orford Lady Margaret Russell
(daughter of William Russell, 1st Duke of Bedford)
November 1691 First cousins Francis Russell, 4th Earl of Bedford and Catherine Brydges
John Murray, 3rd Duke of Atholl Lady Charlotte Murray 23 October 1753 First cousins John Murray, 1st Duke of Atholl and Lady Katherine Hamilton
Charles Hamilton, 5th Earl of Abercorn Catherine Hamilton
(daughter of James Hamilton, Lord Paisley)
1690 Second cousins James Hamilton, 1st Earl of Abercorn and Marion Boyd
Alexander Gordon, 3rd Earl of Huntly Lady Jean Stewart
(daughter of John Stewart, 1st Earl of Atholl)
20 October 1474 Half-first cousins Joan Beaufort, Queen of Scots
John Gordon, Lord Gordon Margaret Stewart, Lady Gordon Before 26 April 1510 Half-second cousins once removed Joan Beaufort, Queen of Scots
George Gordon, 4th Earl of Huntly Elizabeth Keith 27 March 1530 Second cousins George Gordon, 2nd Earl of Huntly
George Gordon, 5th Earl of Huntly Anne Hamilton, Countess of Huntly 2 March 1558 Double third cousins John Douglas, 2nd Earl of Morton and Janet Crichton; James IV of Scotland
James Hamilton, Duke of Châtellerault Lady Margaret Douglas
(daughter of John Stewart, 1st Earl of Atholl)
1532 Second cousins once removed James II of Scotland and Mary of Guelders
James Douglas, 3rd Earl of Morton Catherine Stewart
(illegitimate daughter of James IV of Scotland)
Second cousins once removed James I of Scotland and Joan Beaufort, Queen of Scots
John Beaufort, 1st Earl of Somerset Margaret Holland, Duchess of Clarence Half-third cousins Edward I of England
William Hamilton, Duke of Hamilton Anne Hamilton, 3rd Duchess of Hamilton 29 April 1656 Third cousins James Hamilton, Duke of Châtellerault and Lady Margaret Douglas
John Stewart, 3rd Earl of Lennox Lady Elizabeth Stewart 19 January 1511 Half-first cousins twice removed Joan Beaufort, Queen of Scots
Matthew Stewart, 4th Earl of Lennox Margaret Douglas 1544 Third cousins once removed John Beaufort, 1st Earl of Somerset and Margaret Holland, Duchess of Clarence
Lord Charles Edward FitzRoy
(son of Augustus FitzRoy, 7th Duke of Grafton)
Hon. Ismay FitzRoy
(daughter of Charles FitzRoy, 3rd Baron Southampton)
Third cousins once removed Lord Augustus FitzRoy and Elizabeth Cosby
Henry Cavendish, 2nd Duke of Newcastle Frances Pierrepont
(daughter of William Pierrepont)
1652 Second cousins once removed William Cavendish and Bess of Hardwick
John Holles, 1st Duke of Newcastle Lady Margaret Cavendish 1 March 1690 First cousins William Pierrepont and Elizabeth Harries
Henry Pelham-Clinton, 2nd Duke of Newcastle Catherine Pelham 16 October 1744 First cousins Thomas Pelham, 1st Baron Pelham and Lady Grace Holles
William Montagu, 2nd Duke of Manchester Isabella Montagu, Duchess of Manchester 6 April 1723 Fourth cousins Edward Montagu of Boughton and Elizabeth Harrington
Hester Grenville, 1st Countess Temple Richard Grenville 25 November 1710 Second cousins once removed Sir Thomas Temple, 1st Baronet, of Stowe and Hester Sandys
Lady Frances Erskine
(daughter of John Erskine, Earl of Mar)
James Erskine
(son of James Erskine, Lord Grange)
First cousins Charles Erskine, Earl of Mar

See also

Notes

  1. Mao's paternal grandmother and Luo's paternal grandfather were siblings. Luo Yixiu's mother was the eldest daughter of Mao Yongtang (毛咏堂; 1846–1903). The genealogy book of the Mao lineage places Mao Yongtang in the same generation as Mao Zedong's great-grandfather, but Yongtang was of the same social generation as Mao Zedong's grandfather Mao Enpu (毛恩普).[43]

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  5. "Christine Boutin poursuivra en justice ceux qui l'attaquent sur son mari (et cousin germain)", ozap.com, 5-29-2013.
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  66. "Yule family (per. 1863–1928), merchants and industrialists | Oxford Dictionary of National Biography" (in en). doi:10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-61112#odnb-9780198614128-e-61112-headword-4. http://www.oxforddnb.com/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-61112?result=1&rskey=A33jCX#odnb-9780198614128-e-61112-headword-4. Retrieved 15 January 2019. 
  67. 67.00 67.01 67.02 67.03 67.04 67.05 67.06 67.07 67.08 67.09 67.10 67.11 67.12 67.13 67.14 67.15 67.16 67.17 67.18 67.19 67.20 Also uncle and niece
  68. Only through Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg and Katharina Polyxena of Solms-Rödelheim.
  69. Through all their common ancestors which are shown on the table.
  70. Also half-uncle and half-niece
  71. Half-second cousins through Frederick V of Denmark
  72. Double third cousins through Christian IX of Denmrak and also third cousins through Queen Victoria.
  73. Through Queen Victoria and Prince Albert.
  74. Edward VII was descended from them in one way, while Alexandra was descended from them in three.
  75. Edward VII was descended from them in two ways, while Alexandra was descended from them in one only.
  76. Triple fourth cousins through George II of Great Britain and also fourth cousin through Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg.
  77. As great-great-great grandchildren; Ernest Augustus was descended from them in one way, while Thyra was descended from them in three.
  78. Frederick VIII of Denmark was descended from them in three ways, while Louise was descended from them in one.
  79. Frederick VIII of Denmark was descended from them in one way, while Louise was descended from them in two.
  80. George I was descended from them in three ways, while Olga was descended from them in one.
  81. George I was descended in one way from them, while Olga was descended from them in two.
  82. Johann Georg of Hohenzollern was descended from them in two ways as four-times great-grandson.
  83. Birgitta of Sweden is descended from them in four ways as four-times great-granddaughter and in one way as five-times great-granddaughter.
  84. Also aunt and nephew
  85. Both were great-grandchildren of the Jiaqing Emperor
  86. Both were great-grandchildren of General Dugu Xin
  87. His father (Emperor Gaozong) and her mother (Princess Changle) were siblings.
  88. They were both grandchildren of Emperor Gaozu of Tang and his wife Duchess Dou
  89. Xue Shao was the son of Princess Chengyang, Emperor Gaozong's sister, by her second husband Xue Yao
  90. 90.0 90.1 Both were grandchildren of Wu Shihuo, Duke Ding of Ying.
  91. Eldest son of Wu Zetian's nephew Wu Chengsi, Prince Xuan of Wei.
  92. Both were great-grandchildren of Wu Shihuo, Duke Ding of Ying. Princess Anle was the granddaughter of Wu Shihuo's second daughter Empress Wu Zetian, while Wu Chongxun was the grandson of Wu Shihuo's elder son Wu Yuanqing.
  93. Second son of Wu Zetian's nephew Wu Chengsi, Prince Xuan of Wei.