+———Thomas ELLIS
      |
  +———Albert E. ELLIS (21 Apr 1869 Kimberley, Ontario, Canada – 31 Dec 1919 Markdale, Ontario, Canada)
  |   |    
  |   +———Ann BEATSON
  |    
  Frederick ELLIS (1904 – 1985)
  |            
  |       +———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)
  |   |
  +———Ida May THOMPSON (15 Jan 1879 Kimberley, Ontario, Canada – 4 Jul 1910 Euphrasia, 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)