+———Frederick O’BRIEN      |  +———Walter Garfield O’BRIEN (1881 Ayr, Waterloo, Ontario, Canada – )  |   |      |   +———Maggie COLBY  |      Frederick George O’BRIEN (3 Jun 1910 Guelph, Ontario, Canada – )  |              |       +———George FAIRGRIEVE (Scotland – )  |       |  |   +———Thomas FAIRGRIEVE (6 Mar 1844 Scotland – 27 Dec 1923 Ayr, Ontario, Canada)  |   |   |          |   |   |   +———John STEWART  |   |   |   |  |   |   +———Elizabeth STEWART (27 Dec 1817 Scotland – 10 Mar 1915 Ayr, Waterloo, Ontario, Canada)  |   |  +———Mabel FAIRGRIEVE (25 Oct 1882 North Dumfries, Waterloo, Ontario, Canada – 6 Apr 1932 Guelph, Ontario, Canada)      |              |   +———William HARDE (abt 1816 Sussex, England – 21 Oct 1895 Toronto, Ontario, Canada)      |   |      +———Ann “Annie” HARDE (18 Nov 1846 Toronto, Ontario, Canada – 15 Feb 1899)          |              +———Sarah BUNKER (abt 1823 – )