+--Samuel Morison  (1671-29 SEP 1757)
            |  +--  
         +--Samuel Morrison  (13 Mar 1727-15 Mar 1775)
         |  +--Margaret Henry  (1685-30 APR 1774)
      +--David Morrison  (27 AUG 1763-8 DEC 1832)
      |  |  +--Randal Alexander 
      |  |  |  +--  
      |  +--Isabel Alexander  (16 FEB 1721/22-AFT 1776)
      |     +-- Janet 
   +--David Morrison  (6 OCT 1803-21 OCT 1855)
   |  +--Mary Kimball 
+--David H. Morrison 
|  +--Sophia Nutter 
Hattie Morrison 
+--Nancy Walker