Presidents Who Were Related

Number siblings, number children, marriages, height

Presidents by numbers of brothers and sisters
President		Total	Brothers	Sisters	Half Bro	Half Sis
George Washington	[ 1]	9	3	2	2	2
John Adams	[ 2]	2	2
Thomas Jefferson	[ 3]	8	2	6
James Madison	[ 4]	7	4	3
James Monroe	[ 5]	4	3	1
John Quincy Adams	[ 6]	3	2	1
Andrew Jackson	[ 7]	2	2
Martin Van Buren	[ 8]	7	2	2	2	1
William H. Harrison	[ 9]	6	2	4
John Tyler	[10]	7	2	5
James K. Polk	[11]	9	5	4
Zachary Taylor	[12]	8	5	3
Millard Fillmore	[13]	8	5	3
Franklin Pierce	[14]	7	4	2		1
James Buchanan	[15]	10	4	6
Abraham Lincoln	[16]	2	1	1
Andrew Johnson	[17]	1	1
Ulysses S. Grant	[18]	5	2	3
Rutherford B. Hayes	[19]	1		1
James Garfield	[20]	4	2	2
Chester A. Arthur	[21]	7	1	6
Grover Cleveland	[22]	8	3	5
Benjamin Harrison	[23]	11	6	3		2
William McKinley	[25]	8	3	5
Theodore Roosevelt	[26]	4	2	2
William H. Taft	[27]	5	2	1	2
Woodrow Wilson	[28]	3	1	2
Warren G. Harding	[29]	7	2	5
Calvin Coolidge	[30]	1		1
Herbert Hoover	[31]	2	1	1
Franklin D. Roosevelt	[32]	1			1
Harry S Truman	[33]	2	1	1
Dwight D. Eisenhower	[34]	6	6
John F. Kennedy	[35]	8	3	5
Lyndon B. Johnson	[36]	4	1	3
Richard M. Nixon	[37]	4	4
Gerald R. Ford	[38]	6			4	2
James E. Carter	[39]	3	1	2
Ronald Reagan	[40]	1	1
George H. W. Bush	[41]	4	3	1
William F. Clinton	[42]	1			1

Presidents who had second marriage *
Age	President
28.1	Theodore Roosevelt
41.1	Ronald Reagan (1)
45.8	John Tyler
58.1	Millard Fillmore
59.0	Woodrow Wilson
62.7	Benjamin Harrison
* Andrew Jackson's marriage in 1791 when he was 24 turned out to have been invalid as his intended wife, Rachel Robards, was not properly divorced, though they were both unaware of the fact. They went through a second marriage ceremony on January 17, 1794 just before he turned 28.
(1) The only President to have been divorced.
Only President Who Never Married James Buchanan

Presidents who were married in a foreign country
John Quincy Adams	in All Hallows Parish Church, Barking, Essex, England, while he was posted there as a diplomat.
Theodore Roosevelt	in London, England, (Second wife), while they visited there.
Presidents who married while President
John Tyler	in New York City. (Second marriage)
Grover Cleveland	in the White House. (First marriage) (Only wedding ever held in WH)
Woodrow Wilson	in Washington, D.C. at bride's home. (Second marriage)

Presidents by years married
54	George Bush * #
54	John Adams
53	Dwight D Eisenhower
53	Richard M Nixon
53	Harry S Truman
52	Jimmy Carter *
51	John Quincy Adams
50	Gerald R Ford *
48	Andrew Johnson
46	William H Harrison
46	Ronald Reagan *(second)
45	James Monroe
44	Herbert C Hoover
44	William H Taft
42	James Madison
40	Franklin D Roosevelt
40	Zachary Taylor
40	George Washington
39	Benjamin Harrison (first)
39	Lyndon B Johnson
37	Rutherford B Hayes
35	Franklin Pierce
34	Andrew Jackson
33	Theodore Roosevelt (second)
32	Warren G Harding
30	William McKinley
29	John Tyler (first)
29	Woodrow Wilson (first)
27	Calvin Coolidge
27	Millard Fillmore (first)
27	Ulysses S Grant
25	James K Polk
23	James A Garfield
23	Bill Clinton *
23	Abraham Lincoln
22	Grover Cleveland
20	Chester Arthur
20	John Tyler (second)
16	Millard Fillmore (second)
12	Martin Van Buren
10	Thomas Jefferson
10	John F Kennedy
9	Woodrow Wilson (second)
8	Ronald Reagan (first)
5	Benjamin Harrison (second)
4	Theodore Roosevelt (first)
* continuing, as at January 1999
# George Bush became longest married President January 10, 1999 beating John Adams previous best of 54 years, 3 days.

Presidents by number of children
15	John Tyler
10	William H Harrison
8	Rutherford B Hayes
7	James Garfield
6	George Bush
6	Thomas Jefferson
6	Franklin D Roosevelt
6	Theodore Roosevelt
6	Zachary Taylor
5	John Adams
5	Grover Cleveland (1)
5	Andrew Johnson
4	John Quincy Adams
4	Jimmy Carter
4	Gerald Ford
4	Ulysses S Grant
4	Abraham Lincoln
4	Ronald Reagan (and 1 by adoption)
4	Martin Van Buren
3	Chester Arthur
3	Benjamin Harrison
3	John F Kennedy
3	James Monroe
3	Franklin Pierce
3	William H Taft
3	Woodrow Wilson
2	Calvin Coolidge
2	Dwight D Eisenhower
2	Millard Fillmore
2	Herbert Hoover
2	Lyndon B Johnson
2	William McKinley
2	Richard Nixon
1	Bill Clinton
1	Harry S Truman
None	James Buchanan
None	Warren G Harding (2)
None	Andrew Jackson (3)
None	James Madison
None	James K Polk
None	George Washington (4)
(1) Cleveland may also have had a son by Maria Halpin before he married.
(2) Harding is said to have had a daughter, Elizabeth, by Nan Britton, one of his White House mistresses.
(3) Andrew Jackson adopted his wife's nephew in 1809.
(4) Washington raised two of his wife's children as his own.

Presidents related to another President
Father and son	John Adams and son John Quincy Adams
Grandfather and grandson	William H Harrison and grandson Benjamin Harrison
Second Cousins	James Madison and Zachary Taylor
Fifth Cousins	Theodore Roosevelt and Franklin D Roosevelt

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