+———Peter CAMPBELL
      |
  +———Neil Lamont CAMPBELL (14 Sep 1876 Beckwith, Ontario, Canada – )
  |   |    
  |   +———Janet WATT
  |    
  John Lamont CAMPBELL (29 Mar 1908 Fitzroy, Ontario, Canada – 18 Apr 1982 Royal Columbian Hospital, New Westminster, British Columbia, Canada)
  |                
  |           +———William CAVANAGH (1759 Tipperary, Ireland – abt 1819 Tipperary, Ireland)
  |           |
  |       +———Dennis CAVANAGH (abt 1792 Tipperary, Ireland – 18 Dec 1858 Huntley, Ontario, Canada)
  |       |   |    
  |       |   +———Elizabeth “Eliza” DONNELLY (abt 1769 Tipperary, Ireland – abt 1829 Tipperary, Ireland)
  |       |
  |   +———Richard CAVANAGH (7 Sep 1846 Ontario, Canada – bur. Christ Church Anglican Cem, Carp, Ontario, Canada)
  |   |   |    
  |   |   +———Jane CARTER (1801 Ireland – 22 Nov 1878 Huntley, Ontario, Canada)
  |   |
  +———Alvira Agnes CAVANAGH (5 Aug 1881 Ontario, Canada – )
      |        
      |   +———Cornelius MCKAY
      |   |
      +———Margaret Mary MCKOY (1852 – )
          |    
          +———Eleanor MORELL