JFK’s Grandson Jack Schlossberg Is All Grown up and Has Already Made His Acting Debut on 'Blue Bloods'
Jack Schlossberg, the 26-year-old grandson of John F. Kennedy, was picked to star as Jack Hammer in the crime drama, "Blue Bloods." Schlossberg is the child of Caroline Bouvier Kennedy and Edwin Schlossberg. He is the only grandson of John F. Kennedy, often referred to by initials JFK.