+———William LEACH (14 Aug 1826 Beckwith, Lanark Co, Ontario, Canada – 3 Mar 1905 Wilberforce, Ontario, Canada)
      |
  +———Robert Albert LEACH (21 Sep 1868 Ontario, Canada – 1957)
  |   |    
  |   +———Sarah LOWE (1829 – 1885)
  |    
  Winnifred Sarah LEACH (29 Nov 1893 Ontario, Canada – )
  |                
  |           +———Michael GREENE (1761 Castletownroche, Cork, Ireland – 1844 Castletownroche, Cork, Ireland)
  |           |
  |       +———John GREENE (16 Mar 1788 Castletownroche, Cork, Ireland – 19 Sep 1874 Fitzroy, Ontario, Canada)
  |       |   |    
  |       |   +———Ann (1765 Castletownroche, Cork, Ireland – Castletownroche, Cork, Ireland)
  |       |
  |   +———Thomas GREEN (1828 – 15 Apr 1893)
  |   |   |    
  |   |   +———Catherine MULSHEGIN (1801 Ireland – 6 Nov 1872 Fitzroy, Ontario, Canada)
  |   |
  +———Elizabeth Adelaide “Adelaide” GREEN (9 Mar 1869 Carleton, Ontario, Canada – 15 Apr 1930 Wilberforce, Ontario, Canada)
      |        
      |   +———William WHITEHEAD (abt 1797 Kent, England – 8 Aug 1844 Ottawa, Ontario, Canada)
      |   |
      +———Ellen Annie WHITEHEAD (6 Mar 1842 Bytown (Ottawa), Ontario, Canada – 10 Mar 1915)
          |    
          +———Mary Jane PARKER (abt 1805 Waterford, Ireland – 6 Jun 1888 Ottawa, Ontario, Canada)