+--John Morrison  (1760-1823)
         |  +--  
      +--Edwin Armistead Morrison  (24 SEP 1804-30 OCT 1879)
      |  +--Mary Chappell Bagley  (ABT 1780-1823)
      |     +--  
   +--James Horace Morrison  (25 MAR 1839-20 MAR 1910)
   |  +--Mary Cole Turnbull  (23 MAY 1808-23 Sep 1845)
   |     +--  
+--Robert Turnbull Morrison  (16 January 1877-10 January 1952)
|  +--Frances Henderson Smith  (9 JUL 1838-1 SEP 1903)
|     +--  
Robert Turnbull Morrison, Jr  (21 January 1908-10 November 1962)
+--Anna Mary WILSON  (1 December 1880-7 January 1972)