+———Russell CONWAY
  |    
  Michael CONWAY 
  |                        
  |                   +———John MARSHALL (Boston, Massachusetts, USA – )
  |                   |
  |               +———James MARSHALL (1782 USA – 18 Mar 1852)
  |               |
  |           +———Abial MARSHALL (26 May 1809 Kitley, Ontario, Canada – 2 Oct 1901 Washago, Ontario, Canada)
  |           |   |    
  |           |   +———Hannah TALLMAN (1786 – 1831)
  |           |
  |       +———Thaddeus Witherhead MARSHALL (28 Apr 1840 Kitley Twp, Ontario, Canada – 15 Apr 1923 Washago, Ontario, Canada)
  |       |   |    
  |       |   +———Charlotte FRALICK (1812 Kitley Twp, Ontario, Canada – 28 May 1887 Orillia, Ontario, Canada)
  |       |
  |   +———William Clinton MARSHALL (18 Jul 1887 – May 1944 Orillia, Ontario, Canada)
  |   |   |    
  |   |   +———Lillias Andrews KEMP (9 Sep 1852 – 9 Apr 1943 Ottawa, Ontario, Canada)
  |   |
  +———Edith MARSHALL
      |        
      |   +———Layton GAMMON
      |   |
      +———Flora Elsie GAMMON (4 Sep 1894 – )
          |    
          +———Eliza Jane BLACKABY