| Question | Answer | % Correct |
|---|---|---|
| George H. W. Bush and George W. Bush | Father and Son | 98%
|
| John Adams and John Quincy Adams | Father and Son | 74%
|
| William Henry Harrison and Benjamin Harrison | Grandfather and Grandson | 62%
|
| James Madison and Zachary Taylor | 2nd Cousins | 34%
|
| James Madison and James Polk | 1st Cousins 1x Removed | 26%
|
| Ulysses S. Grant and Franklin Roosevelt | 4th Cousins 1x Removed | 25%
|
| James Madison and Barack Obama | 3rd Cousins 9x Removed | 24%
|
| Richard Nixon and Jimmy Carter | 6th Cousins | 23%
|
| Theodore Roosevelt and Franklin Roosevelt | 5th Cousins | 18%
|
| John Adams and Calvin Coolidge | 4th Cousins 4x Removed | 15%
|