George Washington's (American president) step
great-granddaughter, Mary Ann Custis, was married to Robert E. Lee (Confederate
general)
George Washington (American president) was the half first cousin-twice removed
of James Madison (American president).
Zachary Taylor's (American president) daughter Sarah, was married to Jefferson
Davis (Confederate president).
Zachary Taylor (American president) was the second cousin of James Madison (American
president)
Zachary Taylor (American president) was the fourth cousin-once removed of Robert
E. Lee (Confederate general)
Ulysses S. Grant (American president) was the first cousin-three times removed
of Judy Garland (American actress and singer)
Harry Truman (American president) was the great great grandnephew of John Tyler
(American president)
Martin Van Buren (American president) was the third cousin-twice removed of Theodore
Roosevelt (American president)
Ulysses S. Grant (American president) was the fourth cousin-once removed of Franklin
Roosevelt (American president)
Thomas Jefferson (American president) was the second cousin-once removed of John
Marshall (Supreme Court Chief Justice)
John Foster Dulles (American secretary of state under Eisenhower) was the grandson of John
Watson Foster (secretary of state under Benjamin Harrison)
Dolly Madison (American first lady) was the first cousin-once removed of Patrick
Henry (American Revolutionary patriot)
John Foster Dulles (Secretary of State under Eisenhower) was the nephew of Robert
Lansing (Secretary of State under Wilson)
Lincoln Diaz-Balart (U.S. congressman from Florida) is the nephew of Mirta
Diaz-Balart, who was married to Fidel Castro (Cuban dictator). Their son, Fidelito,
is a first cousin of the congressman.