[Cold Case Posse Supporter]

All presidents post grandfather clause were born of TWO U.S. Citizen parents with the exception of Chester Arthur who managed to sneak through the cracks.

[Kansas58]

Proves nothing.
Nobody every thought it was required until the birthers made it up.
It was never required in the USA, by any Constitutional language.
Of course Congress has changed the qualifications for citizenship at birth for those not born on US Soil several times.