the term actually comes from english common law.  > natural born citizenship requires that the person be born in the united states or where the united states is sovereign, and to two citizen parents of the united states.   orn-citizen-defined/ > while some constitutional issues are truly difficult, with framing-era sources either nonexistent or contradictory, here, the relevant materials clearly indicate that a natural born citizen means a citizen from birth with no need to go through naturalization proceedings. the supreme court has long recognized that two particularly useful sources in understanding constitutional terms are british common law3 and enactments of the first congress.4 both confirm that the original meaning of the phrase natural born citizen includes persons born abroad who are citizens from birth based on the citizenship of a parent.   vol-128/on-the-meaning-of-natural-b orn-citizen/
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