+--John Morrison  (1760-1823)
         |  +--  
      +--Edwin Armistead Morrison  (24 SEP 1804-30 OCT 1879)
      |  +--Mary Chappell Bagley  (ABT 1780-1823)
      |     +--  
   +--Robert John Morrison  (17 Nov 1825-30 OCT 1861)
   |  +--Mary Cole Turnbull  (23 MAY 1808-23 Sep 1845)
   |     +--  
+--Thomas Ellis Morrison  (1855-7 Mar 1918)
|  +--Catherine "Kitty"  Heth Harrison  (16 Jun 1833-1889)
|     +--  
Kate Morrison  (1878-)
+--Margaret P. Gay  (1857-)