+--John Morison  (1628-16 FEB 1736)
         +--James Morison  (1675-15 MAR 1756)
         |  +--Wife One 
      +--Samuel Morison  (1704-11 FEB 1776)
      |  +--Mary Wallace 
   +--John Morison  (18 MAY 1743-24 OCT 1824)
   |  |  +--Samuel Alison 
   |  +--Martha Alison  (31 MAR 1720-3 DEC 1761)
+--Samuel Morison  (15 NOV 1784-1 FEB 1831)
|  |  +--William Dinsmoor 
|  +--Jennet Dinsmoor  (8 MAR 1756-13 MAR 1807)
|     |  +--John Cochran 
|     +--Elizabeth Cochran 
|        |  +--James McKeen 
|        +--Janet McKeen 
|           +--Janet Cochran 
William Allison Morison  (3 SEP 1822-)
|        +--William Dinsmoor 
|     +--William Dinsmoor 
|     |  |  +--John Cochran 
|     |  +--Elizabeth Cochran 
|     |     |  +--James McKeen 
|     |     +--Janet McKeen 
|     |        +--Janet Cochran 
|  +--James Dinsmoor 
|  |  +--Elizabeth Barnet 
+--Elizabeth Dinsmoor  (12 AUG 1796-7 JUL 1845)