1.
Here's Abraham Lincoln:
And here's his 11th-generation cousin Ralph Lincoln:
2.
Here's President Thomas Jefferson:
And here's Jefferson's sixth great-grandson Shannon LaNier:
3.
Here's President Theodore Roosevelt:
And here's his great-grandson Tweed Roosevelt:
4.
Here's President James A. Garfield:
And here's his great-great grandson Richard Garfield:
5.
Here's President Grover Cleveland:
And here's his grandson George Cleveland:
6.
Here's President Harry S. Truman:
And here's his grandson Clifton Truman Daniel:
7.
Here's President Lyndon B. Johnson:
And here's his daughter Lynda Johnson Robb:
8.
Here's President Richard Nixon:
And here's his grandson Christopher Nixon Cox:
9.
Here's President James Monroe:
And here's his fifth-generation grandson Richard Emory Gatchell:
10.
Here's President Dwight Eisenhower:
And here's his granddaughter Mary Jean Eisenhower:
11.
Here's President John F. Kennedy:
And here's his daughter Caroline Kennedy:
12.
Here's President James K. Polk:
And here's his distant relative:
13.
Here's President Calvin Coolidge:
14.
Here's President Ronald Reagan:
And here's his son Ron Reagan:
15.
Here's President Herbert Hoover:
And here's his great-granddaughter Margaret Hoover:
16.
Here's President Ulysses S. Grant:
And here's his great-great grandson Ulysses Grant Dietz: