US Presidents: Lists and Records

Presidents related to earlier
presidents

• James Madison: half first
  cousin twice removed of George Washington
• John Quincy Adams: son of
  John Adams
• Zachary Taylor: second cousin
  of James Madison
• Grover Cleveland: sixth
  cousin once removed of Ulysses Grant
• Benjamin Harrison: grandson
  of William Henry Harrison
• Theodore Roosevelt: third
  cousin twice removed of Martin Van Buren
• Franklin Roosevelt: fourth
  cousin once removed of Ulysses Grant, fourth cousin three times removed of
  Zachary Taylor, fifth cousin of Theodore Roosevelt
• Harry Truman: great-great-great
  nephew of John Tyler
• Richard Nixon: seventh cousin
  twice removed of William Taft, eighth cousin once removed of Herbert Hoover
• George Bush: fifth cousin
  four times removed of Franklin Pierce, seventh cousin three times removed
  of Theodore Roosevelt, seventh cousin four times removed of Abraham Lincoln,
  eleventh cousin once removed of Gerald Ford
• George W. Bush: son of George
  Bush