Are Bush Jr and Sr the only presidents who are/were related?
Boy! Was I surprised! I thought the answer was going to be only John Adams & John Quincy Adams, and the two Roosevelts. But looky here: 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,
