+———Alexander DAVIDSON
          |
      +———Archie DAVIDSON
      |   |    
      |   +———UNKNOWN ( – Scotland)
      |
  +———Archie Jr. DAVIDSON (17 Dec 1915 Perdue, Saskatchewan, Canada – )
  |   |    
  |   +———Agnes DICKSON
  |    
  Robert DAVIDSON 
  |        
  |   +———George DICKSON (1830 Dunsyre, South Lanarkshire, Scotland – 23 Sep 1894 West Linton, Scotland)
  |   |
  +———Agnes DICKSON
      |        
      |   +———Dixon VALLANCE (25 Sep 1792 Libberton, South Lanarkshire, Scotland – 29 Oct 1876 Carluke, South Lanarkshire, Scotland)
      |   |
      +———Hannah VALLANCE (16 Nov 1840 Libberton, South Lanarkshire, Scotland – 1 Jan 1921 Saskatoon, Saskatchewan, Canada)
          |    
          +———Elizabeth SPENCE (1813 Carmichael, South Lanarkshire, Scotland – 1 Feb 1875 Carluke, South Lanarkshire, Scotland)