Joseph P. Kennedy, Jr. was the oldest child of Joseph P. and Rose Kennedy, and older brother of President John F. Kennedy who also served in the Navy in World War II. He graduated from Choate School in Connecticut and attended the London School of Economics for one year before entering Harvard in 1934. At Harvard he played football and rugby, served on the Student Council and was graduated in 1938, cum laude. He attended Harvard Law School, but left before his final year to volunteer as a Navy Flier.