John Adams and his third cousin, Abigail Smith[1]
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]
Wernher von Braun and his first cousin, Maria Luise von Quistorp
Charles Bulfinch and his first cousin, Hannah Apthorp [4]
C
John C. Calhoun, seventh Vice President of the United States, and his first cousin once removed, Floride Calhoun[5]
Jeanne Calment, the oldest person whose age was verified by official documents, and her second cousin, Fernand Calment [6]
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 [7]
D
Charles Darwin and his first cousin, Emma Wedgwood.[8] In addition, their grandparents, Sarah Wedgwood and Josiah Wedgwood, were third cousins.[9]
Mazo de la Roche and her orphaned younger cousin Caroline Clement[10]
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[11]
Andrew Jackson Donelson and his first cousin, Emily Donelson.
Andrew Jackson Donelson and 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[12]
William Greenleaf Eliot, founder of Washington University in St. Louis (and grandfather of poet T. S. Eliot), married his first cousin once removed but more notable is that his father, mother, and wife were first cousins of each other.
William Ellery, signer of the Declaration of Independence, and his first cousin once removed, Abigail Cary[13]
William Crowninshield Endicott, former US Secretary of War, and his first cousin, Ellen Peabody[14]
F
Vivian Fuchs, British explorer, and his cousin Joyce Connell[citation needed]
John F. Fitzgerald, former mayor of Boston and grandfather of John F. Kennedy, and his second cousin Mary Josephine Hannon.[15]
G
Carlo Gambino, a mob boss, and his first cousin, Catherine Castellano[16]
André Gide, Nobel Prize-winning French author, and his cousin, Madeleine Rondeaux.[citation needed]
Charlotte Perkins Gilman, American author, and her first cousin, George Houghton Gilman[17]
Carl Giles, cartoonist, and his cousin and wife, Joan Giles
Rudy Giuliani, mayor of New York, 19942001, and his second cousin once removed, Regina Peruggi[18]
Duncan Grant, Scottish painter, who was in a relationship with his male cousin, the English writer Lytton Strachey.[19]
Edvard Grieg, Norwegian composer, and his first cousin, Nina Hagerup[20]
H
Benjamin Harrison V, American revolutionary leader, and his second cousin, Elizabeth Bassett[21]
Alexander Herzen, Russian writer and political activist, and his cousin, Natalya Zakharina.[citation needed]
Oliver Wendell Holmes, Sr., the poet, and his second cousin, Amelia Lee Jackson[22]
Stephen Hopkins, signer of the Declaration of Independence, and his second cousin, Sarah Scott[23]
Saddam Hussein and his first cousin Sajida Talfah
J
Jesse James and his first cousin, Zerelda "Zee" Mimms [24]
Thomas Jefferson and his third cousin, Martha Wayles[citation needed]
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[25]
Nobusuke Kishi, former Japanese statesman, and his first cousin, Yoshiko Kishi[26]
L
David Lean, British film director, and his first wife (first cousin, Isabel Lean).[citation needed]
Jerry Lee Lewis, rock and roll musician, and his first cousin once removed, Myra Gale Brown[27][28]
Abbott Lawrence Lowell, president of Harvard University, and his distant cousin, Anna Parker Lowell[29]
M
John A. Macdonald, first prime minister of Canada, and his first cousin, Isabella Clark[30]
Rob Roy MacGregor married his cousin Mary Helen MacGregor of Comar in January 1693.
Gerardo Machado y Morales, fifth president of Cuba, and his first cousin, Elvira Machado Nodal[31]
Maeda Toshiie, Japanese Daimyō in 15th century, and his cousin, Matsu.[citation needed]
Mohammed bin Rashid Al Maktoum, Prime Minister of the United Arab Emirates, and his first cousin, Hind bint Maktoum bin Juma Al Maktoum
Thomas Malthus, British academic, and his first cousin once removed, Harriet Eckersall[32]
Delarivier Manley, British playwright and political satirist, and her first cousin John Manley[33]
Mao Zedong, founder of the People's Republic of China, and his second cousin Luo Yixiu[34]
Francis Marion, American revolutionary leader also called the "Swamp Fox," and his first cousin, Mary Esther Videau[35]
Abraham Maslow, father of humanistic psychology, and his first cousin, Bertha Goodman[36]
Darius Milhaud, French composer, and his first cousin, Madeleine Milhaud.[37]
Christopher Robin Milne, son of author A. A. Milne and the 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.[38]
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[39]
N
Naoe Kanetsugu, Japanese samurai and Karō of the Uesugi clan in 15th and 16th century, and his cousin, Osen.[citation needed]
O
Ōtomo no Yakamochi, Japanese statesman and waka poet in the Nara period, and his cousin, Sakanoue no Ōiratsume.[citation needed]
P
Edgar Allan Poe and his cousin, Virginia Clemm[40]
Bolesław Prus, Polish novelist, and his cousin, Oktawia Trembińska.[41]
R
Sergei Rachmaninoff, composer, and his cousin, Natalia Satina[42]
Satyajit Ray, Indian film-maker, and his first cousin, Bijoya Ray[43]
José Rizal, Philippine national hero who had a relationship with his first cousin Leonor Rivera.
Franklin D. Roosevelt, US president, and his fifth cousin once removed, Anna Eleanor Roosevelt[44]
S
Eisaku Sato, prime minister of Japan, and his cousin, Hiroko Sato[45]
Greta Scacchi, actress of Presumed Innocent, and her first cousin, Carlo Mantegazza [46]
Igor Stravinsky, composer, and his first cousin, Katerina Nossenko[47]
T
Toyotomi Hideyori, Japanese Daimyō, a son of Toyotomi Hideyoshi, and his cousin, Senhime.[48]
V
Mario Vargas Llosa, Peruvian writer and 2010 Nobel Prize laureate, and his first cousin Patricia Llosa.[49]
Martin Van Buren, future president of the US, and his first cousin once removed, Hannah Hoes[50]
W
H. G. Wells, author, and his first cousin, Isabel Mary Wells (first wife)[51]
Zack Wheat, baseball player, and his second cousin, Daisy Forsman.[52]
William Whipple, signer of the Declaration of Independence, and his first cousin, Catherine Moffatt[53]
