[ReignOfError]

Does US law determine British citizenship? The answer is equally no. Therefore, his admitted British citizenship AT birth is most relavent.

In Britain.

It's a simple principle: Citizenship status, including "natural-born" status, is a question of US law. Full stop. The laws of other countries are irrelevant. We don't ask whether the Republic of Panama considered John McCain to be a Panamanian citizen, and we don't give other countries the power to make someone ineligible to be our president by the stroke of a pen.

[El Gato]

It's a simple principle: Citizenship status, including "natural-born" status, is a question of US law. Full stop. The laws of other countries are irrelevant. We don't ask whether the Republic of Panama considered John McCain to be a Panamanian citizen, and we don't give other countries the power to make someone ineligible to be our president by the stroke of a pen.

That's all very true, but his father's *lack of US Citizenship* may indeed be a factor. No foreign government could make his father a citizen, so no foreign government could affect Junior's status or lack thereof, as a natural born citizen.