Who+Am+I+-+3

I was born on March 16,1751 in Port Conway at my grandparents house and I grew up on a large farm in Orange County?

I was the shortest presedent of the United States of America?

I became the 4th presedent?

I was the Father of the Constitution?

I was the firstborn of 12 children?

I had bright blue eyes under bushy eyebrows?

Who am I?