+———William Henry COOMBS (England – )
      |
  +———John Thomas COOMBS (4 Aug 1886 Gloucester, Ontario, Canada – 11 Feb 1961 Richmond Private Hospital, Richmond, British Columbia, Canada)
  |   |    
  |   +———Eliza Jane WADSWORTH
  |    
  William Joseph COOMBS (22 Aug 1921 Vancouver, British Columbia, Canada – 20 Jul 1990)
  |        
  |   +———Thomas DRAFFIN (18 Nov 1855 Nepean, Ontario, Canada – 16 Mar 1934 Ottawa, Ontario, Canada)
  |   |
  +———Emily Elizabeth DRAFFIN (11 Nov 1883 Nepean, Ontario, Canada – 15 Jul 1979 Capital Hill Rest Home, Burnaby, British Columbia, Canada)
      |        
      |   +———James GERVIN (1811/2 County Tyrone, Ireland – 27 Nov 1875 Ottawa, Ontario, Canada)
      |   |
      +———Mary Jane GERVIN (24 Aug 1852 Nepean, Ontario, Canada – 30 Aug 1913 Nepean, Ontario, Canada)
          |        
          |   +———William WHITEHEAD (abt 1797 Kent, England – 8 Aug 1844 Ottawa, Ontario, Canada)
          |   |
          +———Elizabeth WHITEHEAD (17 Mar 1824 St. Marylebone, Middlesex, England – 15 Mar 1911 Ottawa, Ontario, Canada)
              |    
              +———Mary Jane PARKER (abt 1805 Waterford, Ireland – 6 Jun 1888 Ottawa, Ontario, Canada)