natural-born

Having an innate aptitude for something, from (or as if from) the time of one's birth.

a natural-born computer programmer

Having a status that arises from the conditions of one's birth, as opposed to one acquired through some legal procedure.

During the time of the Mogul government, the princes of that race, who omitted nothing for the encouragement of commerce in their dominions, bestowed very large privileges and immunities on the English East India Company, exempting them from several duties to which their natural-born subjects were liable.