+———John MCNABB (11 Dec 1833 Kirkintillock, Dunbartonshire, Scotland – 19 Jul 1879)
      |
  +———Andrew Blair MCNABB (23 Mar 1870 Ontario, Canada – 22 Aug 1949)
  |   |        
  |   |   +———Andrew BLAIR
  |   |   |
  |   +———Isabella Eliza “Eliza” BLAIR (30 Mar 1828 Scotland – 8 Nov 1910 RM of Pembina, Manitoba, Canada)
  |       |    
  |       +———Grizel DOUGLAS
  |    
  Grace McCoy MCNABB (17 Jul 1902 Manitoba, Canada – 14 Jun 1939)
  |    
  +———Catherine Alice Maria “Alice” SWALLOW (24 Feb 1870 Ontario, Canada – bef 22 Aug 1949)