+--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 
James Morrison  (11 JUL 1810-)
|  +--Francis Cabot 
+--Abigail Cabot  (11 JUL 1784-29 MAY 1836)
   +--Marcia Hodgman