Jack Mara
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John V. Mara (March 21, 1908 — June 15, 1965) was a co-owner of the New York Giants; an American football team which plays in the National Football League. Jack was the son of Tim Mara and brother of Wellington, and served as the team's president for 31 years. He became co-owner of the team, along with Wellington, upon the death of his father in 1959.