+———William GRAINGER (abt 1806 Galway, Ireland – aft 1870)
          |
      +———Thomas GRAINGER (24 Jun 1842 Fitzroy, Ontario, Canada – 28 Sep 1905 Fitzroy, Carleton, Ontario, Canada)
      |   |    
      |   +———Hester “Esther” DUKE (abt 1821 Leitrim, Ireland – )
      |
  +———Robert Douglas GRAINGER (8 Jan 1881 Ontario, Canada – 1964)
  |   |            
  |   |       +———John STORY (1778 Leitrim, Ireland – 10 Apr 1852 Ontario, Canada)
  |   |       |
  |   |   +———David STORY (1809 Leitrim, Ireland – 29 May 1899 Fitzroy Twp, Carleton Co, Ontario, Canada)
  |   |   |   |    
  |   |   |   +———Margaret LATIMER (1785 Leitrim, Ireland – 1 Dec 1873)
  |   |   |
  |   +———Elizabeth “Eliza” STORY (May 1852 Ontario, Canada – 4 Dec 1932 Fitzroy Twp, Carleton, Ontario, Canada)
  |       |        
  |       |   +———Thomas NEEDHAM
  |       |   |
  |       +———Jane NEEDHAM (1824 Longford, Ireland – 12 Aug 1907 Carleton Co, Ontario, Canada)
  |           |    
  |           +———Jane BELFORD
  |    
  Robert Eldon GRAINGER (1919 Pakenham, Ontario, Canada – 29 Sep 1919 Fitzroy, Ontario, Canada)
  |                
  |           +———William CAVANAGH (1759 Tipperary, Ireland – abt 1819 Tipperary, Ireland)
  |           |
  |       +———William CAVANAGH (abt 1798 Tipperary, Ireland – 1838 Fitzroy, Ontario, Canada)
  |       |   |    
  |       |   +———Elizabeth “Eliza” DONNELLY (abt 1769 Tipperary, Ireland – abt 1829 Tipperary, Ireland)
  |       |
  |   +———John CAVANAGH (Jul 1834 Ireland – 15 Oct 1922)
  |   |   |        
  |   |   |   +———Thomas HODGINS
  |   |   |   |
  |   |   +———Rebecca HODGINS (28 Oct 1803 Tipperary, Ireland – 11 Jan 1878 Huntley, Ontario, Canada)
  |   |       |    
  |   |       +———Mary
  |   |
  +———Laura Luvia CAVANAGH (Oct 1889 Ontario, Canada – 1950)
      |        
      |   +———William STYLES
      |   |
      +———Sarah STYLES (Dec 1849 Ontario, Canada – 29 Jun 1922 Pakenham, Ontario, Canada)
          |    
          +———Margaret LARRIATT