+———Wallace PEARCE
  |    
  Arlene Eva PEARCE ( – living)
  |                    
  |               +———HENDERSON
  |               |
  |           +———Robert HENDERSON (1824 Scotland – 1871 Canada)
  |           |   |    
  |           |   +———MITCHELL
  |           |
  |       +———Peter HENDERSON (8 Aug 1860 Beckwith Co, Ontario, Canada – 22 Mar 1935 RM of Morton, Manitoba, Canada)
  |       |   |        
  |       |   |   +———MCINTOSH
  |       |   |   |
  |       |   +———Janet MCINTOSH (1825 – 1889 Canada)
  |       |       |    
  |       |       +———DRUMMOND
  |       |
  |   +———Peter Edwin “Eddie or Edwin” HENDERSON (25 Oct 1891 RM of Morton, Manitoba, Canada – )
  |   |   |        
  |   |   |   +———George ARMSTRONG (Oct 1835 – 31 May 1907)
  |   |   |   |
  |   |   +———Isabella “Belle” ARMSTRONG (abt 1871 – 21 Apr 1899 Brandon, Manitoba, Canada)
  |   |       |    
  |   |       +———Margaret PATTERSON (16 Jan 1845 – 9 Feb 1915)
  |   |
  +———Marjorie Irene HENDERSON (31 Jul 1916 – )
      |    
      +———Eva Emily LUDGATE