+———Robert THOMPSON (abt 1816 Londonderry, Ireland – 9 Jun 1896 Artemesia, Ontario, Canada) | +———Robert THOMPSON (1845 Ireland – 5 Jun 1935) | | | +———Martha Ann (20 Mar 1819 Londonderry, Ireland – 2 Apr 1904 Artemesia, Ontario, Canada) | Margaret THOMPSON (10 Apr 1889 Ontario, Canada – 9 Jul 1930 at home in Port Colborne, Ontario, Canada) | | +———Charles IRWIN (1814 Fermanagh, Ireland – 1889) | | +———Mary IRWIN (1845 Fermanagh, Ireland – 4 Oct 1892 Artemesia, Ontario, Canada) | +———Effie HEMPHILL (11 Apr 1817 – 26 May 1910)