+--John Morison  (1628-16 FEB 1736)
   +--Samuel Morison  (1710-21 JUN 1802)
   |  +--Jeanette Steele 
+--William Morison  (1751-1833)
|  |  +--Samuel Alison 
|  +--Janet Alison  (1712-8 JAN 1800)
William L. Morison  (1813-)
+--Margaret Thompson  (-27 DEC 1864)