John Vernou Bouvier III Father Janet Lee Bouvier Mother Click to see full answer Also to know is, what did Jackie Kennedy die from? Non-Hodgkin lymphoma Furthermore, how old was Jackie Kennedy when died? 64 years (1929–1994) Accordingly, what did Jackie Kennedy’s father do for a living? John Vernou Bouvier III. John Vernou “Black Jack” Bouvier III (/ˈbuːvie?/ BOO-VEE-A; May 19, 1891 – August 3, 1957) was an American Wall Street stockbroker and socialite. He was the father of First Lady Jacqueline Kennedy Onassis and of socialite Lee Radziwill, and was the father-in-law of John F. Kennedy.Who was Jackie Kennedy’s stepfather?Hammersmith Farm’s 28-room main house was built in 1887 for John W. Auchincloss, the great-grandfather of Hugh D. Auchincloss (1897–1976), Jacqueline Kennedy’s stepfather.