[Ray76]

"A person born out of the jurisdiction of the United States can only become a citizen by being naturalized, either by treaty, as in the case of the annexation of foreign territory, or by authority of congress, exercised either by declaring certain classes of persons to be citizens, as in the enactments conferring citizenship upon foreign-born children of citizens, or by enabling foreigners individually to become citizens by proceedings in the judicial tribunals, as in the ordinary provisions of the naturalization acts." U.S. v. Wong Kim Ark, 169 U.S. 649, 702-703

A person born out of the jurisdiction of the United States can only become a citizen by being naturalized

either by 

    treaty, as in the case of the annexation of foreign territory, 

or by 

    authority of congress, exercised 
	
    either by 
	
        declaring certain classes of persons to be citizens, as in the enactments conferring citizenship upon foreign-born children of citizens, 
	
    or by 

        enabling foreigners individually to become citizens by proceedings in the judicial tribunals, as in the ordinary provisions of the naturalization acts.

[traderrob6]

Notice also that the designation of “Natural born citizen” is defined under the heading of Naturalization (Act).