+———Robert Ryan HALES (22 Jun 1950 Calgary, Alberta, Canada – dec.)
  |    
  Bradley John HALES (Fort McMurray, Alberta, Canada – living)
  |                            
  |                       +———Arthur STEVENSON (bef 1790 Ireland – )
  |                       |
  |                   +———Hans STEVENSON (1812 Ireland – aft 1871)
  |                   |
  |               +———Thomas STEVENSON (1846/7 Ireland – 22 Jul 1887)
  |               |   |    
  |               |   +———Elizabeth DRENNAN (1812 Ireland – aft 1871)
  |               |
  |           +———Thomas Andrew “Rouge” STEVENSON (22 Dec 1872 Quebec, Canada – )
  |           |   |    
  |           |   +———Anna NEALE ( – bef 1881)
  |           |
  |       +———Albert Maynard STEVENSON (Sep 1901 Wakefield, Quebec, Canada – )
  |       |   |        
  |       |   |   +———Thomas WILSON (abt 1836 Ireland – 1917 Harris, Saskatchewan, Canada)
  |       |   |   |
  |       |   +———Rachel Letitia “Lettie” WILSON (Sep 1872 Quebec, Canada – )
  |       |       |        
  |       |       |   +———William BOONE (1799 Londonderry, Ireland – 11 Nov 1880 Cantley, Hull Twp, Quebec, Canada)
  |       |       |   |
  |       |       +———Rachel BOONE (1838 Cantley, Quebec, Canada – 13 Jul 1934 Harris, Saskatchewan, Canada)
  |       |
  |   +———John Andrew STEVENSON (Saskatchewan, Canada – living)
  |   |   |    
  |   |   +———Annie Allison HUNTER (abt 1896 – )
  |   |
  +———Valerie Jean STEVENSON (Kindersley, Saskatchewan, Canada – living)
      |            
      |       +———KNUDSEN
      |       |
      |   +———Christian KNUDSEN
      |   |
      +———Anna Beatrice “Anne” KNUDSEN (Crystal Springs, Saskatchewan, Canada – living)
          |        
          |   +———FARNCOMB
          |   |
          +———Annie Laura FARNCOMB