+———William David INGRAM (1878 Ottawa, Ontario, Canada – 1952)
  |    
  Janet Naomi INGRAM (30 Jan 1905 Ottawa, Ontario, Canada – )
  |            
  |       +———Thomas EVANS
  |       |
  |   +———Joseph EVANS (3 Mar 1840 Nepean, Ontario, Canada – 13 Mar 1907)
  |   |   |    
  |   |   +———Mary Ann SWITZER
  |   |
  +———Edith Naomi Parker EVANS (21 Aug 1880 Nepean, Ontario, Canada – 1962 Ottawa, Ontario, Canada)
      |        
      |   +———James GERVIN (1811/2 County Tyrone, Ireland – 27 Nov 1875 Ottawa, Ontario, Canada)
      |   |
      +———Elizabeth Ann GERVIN (abt 1848 Ontario, Canada – 25 Apr 1884 Ottawa, 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)