+———William CAVERS
      |
  +———Thomas Arthur CAVERS (1892 – )
  |   |    
  |   +———Maggie YOUNG
  |    
  John CAVERS (abt 1919 Ontario, Canada – )
  |            
  |       +———James DONALDSON (28 Jul 1832 – 27 Nov 1914)
  |       |
  |   +———John S. DONALDSON (18 Nov 1858 – 24 Sep 1908 Fitzroy, Ontario, Canada)
  |   |   |    
  |   |   +———Eliza Jane SHIELDS (1839/40 – 22 Feb 1920)
  |   |
  +———Myrtle Ella DONALDSON (1896 – )
      |                
      |           +———Michael GREENE (1761 Castletownroche, Cork, Ireland – 1844 Castletownroche, Cork, Ireland)
      |           |
      |       +———Thomas F. GREENE (1790 Castletownroche, County Cork, Ireland – 27 Dec 1872 Fitzroy, Ontario, Canada)
      |       |   |    
      |       |   +———Ann (1765 Castletownroche, Cork, Ireland – Castletownroche, Cork, Ireland)
      |       |
      |   +———George GREENE (1842 Fitzroy, Ontario, Canada – 29 Jan 1930 McNab, Ontario, Canada)
      |   |   |    
      |   |   +———Margaret ANDREWS (1806 – 1 Feb 1851)
      |   |
      +———Mary Elizabeth GREENE (1865 – 1942)
          |        
          |   +———John BARBER (abt 1786 Tipperary, Ireland – 19 Nov 1853 Fitzroy, Ontario, Canada)
          |   |
          +———Mary BARBER (1841 Fitzroy, Ontario, Canada – 1919)
              |    
              +———Mary RIVINGTON (1797/8 Tipperary, Ireland – 2 Mar 1878 Lanark, Ontario, Canada)