Actually the Supreme Court has never taken up the issue of natural born citizen. That is what it means.
In the law of nations Vattel wrote the definition: “The natives, or natural-born citizens, are those born in the country, of parents who are citizens.”
The Supreme Court of the United States has never applied the term “natural born citizen” to any other category than “those born in the country of parents who are citizens thereof”.
According to the eyes of the Supreme Court, any person born in the US, regardless of parental citizenship, is a natural born citizen.
Actually the Supreme Court has never taken up the issue of natural born citizen. That is what it means. In the law of nations Vattel wrote the definition: “The natives, or natural-born citizens, are those born in the country, of parents who are citizens.”
See here:
The Supreme Court of the United States has never applied the term “natural born citizen” to any other category than “those born in the country of parents who are citizens thereof”.