+--John Fennel 
John Fennel  (1816-)
|  +--John Williamson 
+--Mary Williamson 
   |        +--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)
   +--Martha Morison  (13 MAR 1774-1860)
      +--Martha Anderson  (1732-31 MAR 1811)