+--John H. Berkley 
Watson H. Berkley  (24 OCT 1852-)
|           +--Samuel Morison  (1671-29 SEP 1757)
|           |  +--  
|        +--John Morrison  (1721-1776)
|        |  +--Margaret Henry  (1685-30 APR 1774)
|     +--James Morrison  (9 MAY 1757-AFT 1814)
|     |  +--Elizabeth Alexander  (ABT 1721-ABT 1811)
|  +--James Morrison  (17 MAR 1783-15 APR 1870)
|  |  +--Martha Whitaker  (WFT Est 1753-1772-WFT Est 1774-1857)
+--Jane Morrison  (19 JUN 1817-)
   +--Elizabeth Hurd