+———Robert THOMPSON (abt 1816 Londonderry, Ireland – 9 Jun 1896 Artemesia, Ontario, Canada)      |  +———Jacob THOMPSON (Feb 1857 on farm near Flesheston, Ontario, Canada – 2 Feb 1923 on farm near Flesheston, Ontario, Canada)  |   |      |   +———Martha Ann (20 Mar 1819 Londonderry, Ireland – 2 Apr 1904 Artemesia, Ontario, Canada)  |      Effie THOMPSON (14 Sep 1884 Artemesia Twp, Grey Co, Ontario, Canada – 15 Oct 1966 Centre Grey General Hospital, Markdale, Ontario, Canada)  |          |   +———Charles IRWIN (1814 Fermanagh, Ireland – 1889)  |   |  +———Sarah IRWIN (6 Jul 1860 – 24 Apr 1934)      |          +———Effie HEMPHILL (11 Apr 1817 – 26 May 1910)