+--Samuel Morison  (1671-29 SEP 1757)
         |  +--  
      +--John Morrison  (1721-1776)
      |  +--Margaret Henry  (1685-30 APR 1774)
   +--David Morrison  (29 AUG 1750-1812)
   |  +--Elizabeth Alexander  (ABT 1721-ABT 1811)
+--John Cameron Morrison  (22 OCT 1777-1862)
|  +--Hannah Whitaker  (-1788)
Benjamin Franklin Morrison  (28 JUN 1822-1911)
+--Mary Campbell  (1785-28 AUG 1868)