+--John Morison  (1628-16 FEB 1736)
      +--Samuel Morison  (1710-21 JUN 1802)
      |  +--Jeanette Steele 
   +--Samuel Morison  (1744-8 DEC 1833)
   |  |  +--Samuel Alison 
   |  +--Janet Alison  (1712-8 JAN 1800)
+--Robert W. Morison  (27 JAN 1786-1847)
Sarah Ann Morison  (27 DEC 1818-2 AUG 1870)
+--Sally Prouty  (15 APR 1785-30 AUG 1856)