+--Robert Morrison 
            +--William Morrison  (30 NOV 1726-28 FEB 1778)
            |  +-- Elizabeth 
         +--Robert Morrison  (JAN 1747-10 JUN 1802)
         |  +--Jane Rogers  (-AFT 1794)
      +--James Morrison  (1 MAR 1784-29 SEP 1844)
      |  |  +--Adonijah Luce 
      |  +--Catherine Luce  (27 OCT 1747-)
      |     +--Abigail Athorn 
   +--Francis Morrison  (20 APR 1813-)
   |  |  +--Francis Cabot 
   |  +--Abigail Cabot  (11 JUL 1784-29 MAY 1836)
   |     +--Marcia Hodgman 
+--Oscar P Morrison  (2 OCT 1849-AFT 1880)
|  |  +--E. Perkins 
|  +--Hannah R Perkins 
|     +--Nancy Lathrop 
Egbert Morrison 
+-- Margaret