"it was never doubted that all children born in a country of parents who were its citizens became themselves, upon their birth, citizens also. These were natives or natural-born citizens." Two citizen parents = NBC
"Some authorities go further and include as citizens children born within the jurisdiction without reference to the citizenship of their Page 88 U. S. 168 parents. As to this class there have been doubts, but never as to the first." No doubts.
"it was never doubted that all children born in a country of parents who were its citizens became themselves, upon their birth, citizens also. These were natives or natural-born citizens." Two citizen parents = NBC
"Some authorities go further and include as citizens children born within the jurisdiction without reference to the citizenship of their Page 88 U. S. 168 parents. As to this class there have been doubts, but never as to the first." No doubts.