According to Vattel. But not according to the Constitution, the U.S. Code, and court precedent.
And the Constitution says what is the supreme law of the land?
http://lcweb2.loc.gov/cgi-bin/query/r?ammem/hlaw:@field%28DOCID+@lit%28jc0216%29%29
Did the courts locate this document and the Founders understanding that naturels means natural born..not natural as it is translated today.