+———Jason MCLEAN ( – living)
  |    
  Avery MCLEAN ( – living)
  |        
  |   +———Lawrence “Laurie” RICHARDS (1936 – )
  |   |
  +———Mylia RICHARDS ( – living)
      |                    
      |               +———John COWAN (abt 1813 Armagh Co, Ireland – 13 Mar 1865 Huron Co, Ontario, Canada)
      |               |
      |           +———John COWAN (11 May 1852 Hemingforth, Quebec, Canada – 20 Jan 1924 Winnipeg, Manitoba, Canada)
      |           |   |    
      |           |   +———Mary Jane SAVAGE (17 Jun 1816 near Markethill, County Armagh, Northern Ireland – 5 Apr 1902 Thornhill, Manitoba, Canada)
      |           |
      |       +———John COWAN (14 Dec 1881 Thornhill, Manitoba, Canada – 1969)
      |       |   |        
      |       |   |   +———John MCNABB (11 Dec 1833 Kirkintillock, Dunbartonshire, Scotland – 19 Jul 1879)
      |       |   |   |
      |       |   +———Grace Blair “Gracie” MCNABB (11 Jun 1859 Scotland – 19 Nov 1947 at home in Winnipeg, Manitoba, Canada)
      |       |       |        
      |       |       |   +———Andrew BLAIR
      |       |       |   |
      |       |       +———Isabella Eliza “Eliza” BLAIR (30 Mar 1828 Scotland – 8 Nov 1910 RM of Pembina, Manitoba, Canada)
      |       |           |    
      |       |           +———Grizel DOUGLAS
      |       |
      |   +———Howard Stewart “Stewart” COWAN (25 Dec 1908 RM of Pembina, Manitoba, Canada – 1996)
      |   |   |            
      |   |   |       +———STEWART
      |   |   |       |
      |   |   |   +———Peter STEWART (16 Jun 1850 Granton-on-Spey, Morayshire, Scotland – 18 Aug 1944 at home in Manitou, Manitoba, Canada)
      |   |   |   |   |    
      |   |   |   |   +———Mary
      |   |   |   |
      |   |   +———Annie STEWART (31 Oct 1883 RM of Pembina, Manitoba, Canada – 1976)
      |   |       |            
      |   |       |       +———James BARCLAY (11 Sep 1797 – )
      |   |       |       |
      |   |       |   +———James BARCLAY (23 Oct 1826 Scotland – bet 1912 and 1914 Ontario, Canada)
      |   |       |   |   |    
      |   |       |   |   +———Elizabeth BISHOP (Aug 1796 Abbey Renfrew, Scotland – )
      |   |       |   |
      |   |       +———Josephine Goodess BARCLAY (28 May 1852 New York, USA – 27 May 1908 at home in RM of Pembina, Manitoba, Canada)
      |   |           |        
      |   |           |   +———Joseph GOODESS (1791/2 – 27 Aug 1836 Scotland)
      |   |           |   |
      |   |           +———Mary GOODESS (2 Jan 1828 Scotland – 18 Apr 1870 Ontario, Canada)
      |   |               |    
      |   |               +———Catherine GRANT (1787/8 – 21 May 1856 Scotland)
      |   |
      +———Shirley COWAN ( – living)
          |    
          +———Elsie M. OBLINSKI (1912 – 1966)