That’s covered under the Fourteenth which was specifically worded to cover these cases. Anyone born in territory that was American as of 1865 was considered to be a citizen of the United States - even if they were born under a different flag.
False.
U.S. Secretaries of State have specifically ruled otherwise.
In 1883, Secretary of State Frederick Frelinghuysen determined Ludwig Hausding, though born in the U.S., was not born a U.S. citizen because he was subject to a foreign power at birth having been born to a Saxon subject alien father.
Similarly, in 1885, Secretary of State Thomas Bayard determined Richard Greisser, though born in Ohio, was not born a U.S. citizen because Greisser's father, too, was an alien, a German subject at the time of Greisser's birth. Bayard specifically stated that Greisser was at birth 'subject to a foreign power,' therefore not "subject to the jurisdiction of the United States" within the meaning of the Fourteenth Amendment.
Born in the U.S. but NOT even citizens let alone natural born citizens.
Seems U.S. Secretaries of State knew A LOT more about it than you. You're trying awfully hard to float a bogus, revisionist theory.