+--Robert Smith 
      +--William Smith  (1723-31 JAN 1808)
   +--John Smith  (10 APR 1754-7 AUG 1821)
   |  |     +--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)
+--Robert Smith  (12 JUN 1802-21 DEC 1867)
|  |  +--David Steele 
|  +--Margaret Steele  (JAN 1757-30 SEP 1830)
Sarah Bingham Smith  (27 MAY 1843-)
+--Sarah P. Bingham