+--Lorenzo K. Whitcomb 
George Whitcomb  (21 NOV 1856-29 DEC 1856)
|           +--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)
+--Caroline N. Morison  (23 DEC 1824-)
   +--Sally Prouty  (15 APR 1785-30 AUG 1856)