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Contents 1 Direct descent 2 Indirect relatives 2.1 Significance 3 See also 4 Presidential trivia lists 5 References 6 External links

This is a list of United States Presidents who are related to each other by direct descent.

• John Adams and John Quincy Adams (father and son)
• William Harrison and Benjamin Harrison (grandfather and grandson)
• George H. W. Bush and George W. Bush (father and son)

There are also less direct relations between US Presidents. See Cousin chart to understand the terms used below:

• Zachary Taylor: second cousin of James Madison
• Millard Fillmore: fourth cousin three times removed of John Adams, fifth cousin twice removed of John Quincy Adams
• Ulysses Grant: seventh cousin of Millard Fillmore
• James Garfield: sixth cousin once removed of Millard Fillmore, sixth cousin of Abraham Lincoln
• Chester Arthur: sixth cousin once removed of James Garfield
• Grover Cleveland: eighth cousin three times removed of James Madison, fifth cousin once removed of Millard Fillmore, sixth cousin once removed of Ulysses Grant, fifth cousin once removed of Rutherford Hayes
• Benjamin Harrison: fifth cousin once removed of John Tyler (his grandfather, President William Harrison, was a fourth cousin once removed of Tyler), seventh cousin once removed of James Garfield
• Theodore Roosevelt: eighth cousin five times removed of George Washington, fourth cousin five times removed of James Madison, third cousin three times removed of Martin Van Buren
• William Taft: fourth cousin five times removed of John Adams, fifth cousin four times removed of John Quincy Adams, sixth cousin once removed of Millard Fillmore, eighth cousin once removed of Rutherford Hayes, fifth cousin twice removed of James Garfield, sixth cousin once removed of Grover Cleveland, seventh cousin of Benjamin Harrison
• Warren Harding: seventh cousin once removed of Benjamin Harrison, seventh cousin once removed of William Taft
• Calvin Coolidge: third cousin six times removed of John Adams, fourth cousin five times removed of John Quincy Adams, seventh cousin five times removed of William Henry Harrison, sixth cousin four times removed of Millard Fillmore, sixth cousin four times removed of Franklin Pierce, seventh cousin twice removed of Ulysses Grant, half seventh cousin twice removed of Rutherford Hayes, eighth cousin twice removed of Benjamin Harrison, eighth cousin of William Taft
• Herbert Hoover: eighth cousin seven times removed of George Washington, sixth cousin four times removed of Millard Fillmore, seventh cousin three times removed of James Garfield, sixth cousin four times removed of Chester Arthur
• Franklin Roosevelt: eighth cousin four times removed of George Washington, fourth cousin three times removed of John Quincy Adams, third cousin four times removed of Martin Van Buren, half fourth cousin three times removed of Zachary Taylor, seventh cousin once removed of Millard Fillmore, sixth cousin twice removed of Franklin Pierce, fourth cousin once removed of Ulysses Grant, sixth cousin once removed of Rutherford Hayes, half eighth cousin of Grover Cleveland, fifth cousin of Theodore Roosevelt (although his wife, Eleanor Roosevelt, was a niece of Theodore), sixth cousin twice removed of William Taft, seventh cousin once removed of Calvin Coolidge
• Richard Nixon: eighth cousin three times removed of Rutherford Hayes, seventh cousin twice removed of William Taft, eighth cousin once removed of Calvin Coolidge, eighth cousin once removed of Franklin Roosevelt; also father-in-law of Dwight Eisenhower's grandson
• Gerald Ford: eighth cousin seven times removed of George Washington, sixth cousin four times removed of Millard Fillmore, sixth cousin five times removed of Franklin Pierce, seventh cousin four times removed of Abraham Lincoln, sixth cousin three times removed of Ulysses Grant, half sixth cousin three times removed of Rutherford Hayes, seventh cousin three times removed of James Garfield, fifth cousin four times removed of Chester Arthur, fifth cousin four times removed of Grover Cleveland, sixth cousin twice removed of Benjamin Harrison, seventh cousin three times removed of William Taft, eighth cousin once removed of Herbert Hoover, eighth cousin twice removed of Franklin Roosevelt, sixth cousin three times removed of Richard Nixon
• Jimmy Carter: fourth cousin seven times removed of William Harrison, sixth cousin five times removed of Benjamin Harrison, sixth cousin of Richard Nixon
• George H. W. Bush: eighth cousin six times removed of James Madison, fourth cousin five times removed of Millard Fillmore, fifth cousin four times removed of Franklin Pierce, seventh cousin four times removed of Abraham Lincoln, sixth cousin five times removed of Ulysses Grant, sixth cousin three times removed of Rutherford Hayes, fourth cousin three times removed of James Garfield, sixth cousin four times removed of Chester Arthur, seventh cousin twice removed of Grover Cleveland, eighth cousin three times removed of Benjamin Harrison, seventh cousin three times removed of Theodore Roosevelt, sixth cousin three times removed of William Taft, sixth cousin twice removed of Calvin Coolidge, sixth cousin three times removed of Franklin Roosevelt, seventh cousin of Gerald Ford. Note that these relationships then also apply to George W. Bush, each an additional generation removed; through his mother Barbara Bush he is also the eighth cousin once removed of Herbert Hoover.

This list is intended to be of the closer, more significant relationships that have notable qualities. Family trees, particularly those in a limited geographic area, tend to converge relatively rapidly and many family trees going back ten generations or more will connect to more than one dozen U.S. Presidents, if all female ancestors and their descendants are traced.

• List of United States political families - families with more than one nationally notable member
• Gary Boyd Roberts - a recognized scholar of presidential ancestries. He often publishes articles covering the ancestry of current candidates for each new election cycle.

v • d • e Lists of Presidents and Vice Presidents of the United States
Presidential lists by order	Order of service · Age at ascension · Birth · Death · Earliest Living · Longevity · Historical rankings · Military rank · Number Living · Oldest · Post-presidency length · Time in office
Presidents' personal lives	Nicknames, name origins & first, middle and last names · Genealogical relationship · College education · Military service · Pets · Place of birth · Place of primary affiliation · Previous occupation · Religious affiliation · Residences · Children
Presidents' professional lives	Political affiliation · Political occupation · Inaugurations · Doctrines · Pardons · Vetoes · Control of Congress · Assassination attempts · Currency appearances · Libraries
Vice Presidential lists	Order of service · Time in office · Birth · Tie-breaking votes · Longevity · Vacancies
Succession	Line of succession · Designated survivor
Elections	Electoral College margin · 2000 Electors · 2004 Electors
Candidates	Democratic tickets · Republican tickets · Height · Lost their home state · Former presidents who ran again
Unsuccessful candidates	Received at least one electoral vote
Fictional	Fictional Presidents · Fictional Vice Presidents · Fictional Presidential candidates · Fictional presidential succession
Ladies	First Ladies · First Ladies by longevity · Second Ladies

• Ancestors of American Presidents: First Definitive Edition by Gary Boyd Roberts and Julie Helen Otto. 1995. ISBN 978-0936124193

• Master Index to presidents Genealogical Data - ordered by lastname