Don't be deceptive. *NOBODY* knew that at the time. He did everything he could to cover it up, and it was only discovered back in 2009 or so that Chester Arthur's father was an alien.
Kamala Harris (D) (2021) became Vice-President with two alien parents.
Because Barack Obama got away with it and the courts wouldn't touch the evidence.
Barack Obama (D) (2009) became President with an alien father.
Because he was black, the courts would not touch the evidence.
Just more evidence that our courts are run by combinations of incompetence, cowardice, and corruption.
And here is something for your amusement.
Is Mr Charles Evans Hughes a "Natural Born Citizen" within the meaning of the US Constitution?
This guy speaks lawyer babble too.