To politely cleave your theory, under it, Ronald Reagan could never have been President of the US.
His mother Nellie Wilson Reagan was the daughter of a woman, Mary Ann Elsey Wilson, born in Surrey, England.
Nellie was born in Fulton, Illinois.
But since, by your position, Natural Born Citizenship requires two American citizen parents, Nellie Wilson (Reagan) would not have been a citizen since her mother was born in England.
And since, again by your definition, NBC requires two American citizen parents, Ronald Reagan could not be a NBC, because, again by your definition, his mother was not a citizen!
If we were to trace all of us back far enough, by your definition, none of us would be citizens!
Nellie was born in Ill. She was a citizen even if her mother was English. Maybe Nellie was not a NBC but a citizen none the less. Parents must be citizens, no requirement for them to be NBC.
I think you are confused.
Two parents, that are citizens of either type naturalized or native born, would insure a child was natural born. There is no trouble with Reagan; Nellie was born in Fulton, Illinois and his father was an American citizen as well.
Good God. This is what I’m talking about Strac6. You are lost in space...