+--William Heath 
Susan A Heath  (6 APR 1842-)
|           +--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 
+--Abigail Morrison  (21 MAR 1815-19 JAN 1865)
   |  +--Francis Cabot 
   +--Abigail Cabot  (11 JUL 1784-29 MAY 1836)
      +--Marcia Hodgman