[exit82]

Other than Arthur, can you name other American Presidents who did not meet the definition?

The criteria is were both parents citizens of America at the time of the birth of the child.

[Verginius Rufus]

Woodrow Wilson's mother was born in England but came to the US as a child, so she may have become a citizen before Tommy (as his family called him) was born.

Who knows who Bill Clinton's biological father was--but if it wasn't Billy Blythe it was presumably some other Arkansas native.