+--Abel Dow  (-1824)
Robert Morrison Dow  (3 SEP 1813-)
|           +--John Morison  (1628-16 FEB 1736)
|        +--James Morison  (1675-15 MAR 1756)
|        |  +--Wife One 
|     +--Samuel Morison  (1704-11 FEB 1776)
|     |  +--Mary Wallace 
|  +--Robert Morrison  (6 FEB 1758-APR 1808)
|  |  |  +--Samuel Alison 
|  |  +--Martha Alison  (31 MAR 1720-3 DEC 1761)
+--Elizabeth Morrison  (12 DEC 1783-28 SEP 1865)
   +--Agnes Benton  (26 JUN 1760-1 JUL 1792)