Comment: Nope, he'd be a 14th amendment citizen.

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In reply to comment: If both of his parents were (see in situ)

Nope, he'd be a 14th amendment citizen.

Which came after the original constitution, and did not redefine the phrase "natural born citizen" nor did it affect that class of citizenship. The Supreme Court has ruled these are not the same thing. (the two classes of citizenship)