1  Jean LAWSON (1879 – )
   +  Arthur CAVANAGH (1877 – aft Sep 1944)
      2  Eric Mervin CAVANAGH (4 Aug 1905 Fitzroy, Ontario, Canada – 1955)
         +  Winnifred E. HAYDON (1910 – 1987)
      2  John Cecil CAVANAGH (9 Mar 1907 Fitzroy, Ontario, Canada – )
      2  Elmer Arthur CAVANAGH (4 Feb 1909 Fitzroy, Ontario, Canada – )
      2  Edna Jean CAVANAGH (29 Oct 1911 Fitzroy, Ontario, Canada – )
      2  Gordon CAVANAGH (1915 Fitzroy, Ontario, Canada – 27 Aug 1915)