+———William WHITEHEAD (abt 1797 Kent, England – 8 Aug 1844 Ottawa, Ontario, Canada)
          |
      +———Joseph Parker WHITEHEAD (6 Mar 1843 Bytown (Ottawa), Ontario, Canada – 4 Feb 1926)
      |   |    
      |   +———Mary Jane PARKER (abt 1805 Waterford, Ireland – 6 Jun 1888 Ottawa, Ontario, Canada)
      |
  +———William WHITEHEAD (24 Jan 1867 Ontario, Canada – 30 Nov 1950 Ottawa, Ontario, Canada)
  |   |        
  |   |   +———Samuel DELANEY (Ireland – bef 1866)
  |   |   |
  |   +———Elizabeth “Eliza or Lizzie” DELANEY (15 Nov 1842 Ontario, Canada – 10 May 1918 Hull, Quebec, Canada)
  |       |    
  |       +———UNKNOWN (Ireland – )
  |    
  Marion Elizabeth WHITEHEAD (8 Aug 1904 Almonte, Ontario, Canada – 6 Jul 1905 Ontario, Canada)
  |    
  +———Margaret ROBSON (17 Jul 1866 Glasgow, Scotland – 9 Apr 1942 Ottawa, Ontario, Canada)