+--Robert Smith 
+--William Smith  (1723-31 JAN 1808)
Robert Smith  (15 FEB 1753-31 DEC 1795)
|     +--John Morison  (1628-16 FEB 1736)
|  +--John Morison  (1678-14 JUN 1776)
|  |  +--Wife One 
+--Elizabeth Morison  (11 JUN 1723-15 SEP 1808)
   +--Margaret Wallace  (1687-18 APR 1769)