U.S. Supreme Court case: United State v. Wong Kim Ark, 169 U.S. 649, 18 S.Ct. 456, 42 L.Ed. “A person born out of the jurisdiction of the United States can only become a citizen by being naturalized....”
BTW, this case you provided also states that NBC are defined in the Constitution.
Maybe you would like to look at the numerous links I provided to see what is said about the Constitution's meaning of NBC.