+--Robert Davidson 
Samuel E. Davidson  (27 MAY 1871-1 JUN 1872)
|  +--Thomas Davidson 
+--Lavinia Davidson  (19 DEC 1831-)
   |           +--John Morison  (1628-16 FEB 1736)
   |        +--John Morison  (1678-14 JUN 1776)
   |        |  +--Wife One 
   |     +--John Morison  (20 SEP 1725-27 DEC 1816)
   |     |  +--Margaret Wallace  (1687-18 APR 1769)
   |  +--Daniel Morison  (24 NOV 1760-26 NOV 1832)
   |  |  +--Martha Anderson  (1732-31 MAR 1811)
   +--Margaret Morison  (15 OCT 1795-)
      +--Rachel McLellan  (1766-21 NOV 1843)