John Gustavus Handcock (1799-1838) (1799–1838) Parents Anne French Richard Handcock, 2nd Baron Castlemaine Children William Frederick Flood Handcock John Harward Jessop Handcock Anne Alicia Handcock Frances Flood Handcock Richard Arthur Handcock Siblings Arthur Handcock George Handcock Anne Handcock William Handcock Thomas Handcock Alicia Handcock Henry Robert Handcock Richard Handcock, 3rd Baron Castlemaine Sarah Handcock Charles Handcock Robert French Handcock Partners Frances Flood Jessop