+--Robert Morrison  (ABT 1700-1764)
   +--William Morrison  (BET 1720 AND 1727-1758)
   |  +--Unknown    (Abt. 1700-Bef. 1750)
+--William Morrison  (16 AUG 1749-29 AUG 1826)
|  |           +--John Montgomery  (1640-1689)
|  |        +--Robert Montgomery  (1660-1689)
|  |        |  +--Isabella Shaw 
|  |     +--William Montgomery  (1675-MAY 1733)
|  |     |  |  +--High McCullom 
|  |     |  +--Mary McCullom  (1665-3 Dec 1692)
|  |  +--John Montgomery  (1703-4 OCT 1743)
|  |  |  +--Mary Akin  (1682-1756)
|  +--Sarah Montgomery  (1728-3 OCT 1817)
|     |  +--James HARPER  (1676-1775)
|     +--Sarah Harper  (1705-1749)
|        +--Jannett LEWIS  (26 Feb 1657-)
Betsy Morrison  (28 APR 1782-3 DEC 1802)
+--Hannah Benson  (1747-13 March 1826)