Exactly! How could they be? Right?
Which is why, therefore, that Law of Nations makes for a far more logical source for the definition of the term "Natural Born Citizen" than does Common law.
british subject has meant different things at different times.
You say how could they be the same thing? The answer is you haven’t read up on British law because...
Sometimes it has meant the same thing..other times it has not.
Right now, British citizens are not British Subjects. As it stands now, once all british subjects are dead there will be no more British subjects.
I have stated many times that British Law is ridiculously complex and you have to read many things to try to get a grasp on it.