Frederick married Henrietta Anna Traill on 17 May 1866 in Edinburgh, Scotland. Henrietta (daughter of John Heddle Traill and Elizabeth Dunbar "Eliza" Heddle) was born on 25 Dec 1841; was christened on 1 Feb 1842 in Duddingston, Midlothian, Scotland; and died. [Group Sheet] [Family Chart]