+———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)
      |
  +———Robert MARSHALL (3 Aug 1867 Pakenham, Ontario, Canada – 21 Mar 1944)
  |   |        
  |   |   +———Robert SMITH
  |   |   |
  |   +———Jane SMITH (7 Mar 1838 Ontario, Canada – 29 Apr 1874)
  |       |    
  |       +———Mary
  |    
  George Edward MARSHALL (10 Jul 1893 Washago, Ontario, Canada – )
  |        
  |   +———Enoch WATKIN
  |   |
  +———Lillian Louisa “Lilly” WATKIN (1 Jan 1875 Buxton, Derbyshire, England – 3 Feb 1958)