Ronald Reagan's citizenship

Ronald Reagan was born in Tampico, Illinois, USA. His father, John "Jack" Reagan, was born in Fulton, IL, as was his mother, Nelle Wilson Reagan.

By blood and by place of birth, Ronald Reagan was a "natural born" citizen. No law bestowed his citizenship upon him. His father was an American. His mother was an American. He was born in America. He was a "natural born" American citizen.

This case meets the test of jus soli -- born in the USA

This case meets the test of jus sanguinis -- parents are US citizens

"At birth," this person was only subject to the laws and jurisdiction of the United States. This person is a "natural born" citizen, and is eligible to serve as Commander-in-Chief.