+--Ezra P Treat  (24 DEC 1830-UNKNOWN)
Mary Alice Treat  (2 NOV 1865-UNKNOWN)
|  +--Benjamin P. Gilman  (7 April 1798-9 September 1884)
+--Helen Gilman  (1841-UNKNOWN)
   |           +--Robert Morrison  (ABT 1700-1764)
   |        +--William Morrison  (BET 1720 AND 1727-1758)
   |        |  +--Unknown    (Abt. 1700-Bef. 1750)
   |     +--Robert Montgomery Morrison  (January 26, 1751-6 FEB 1808)
   |     |  |           +--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-)
   |  +--Robert Morison  (6 APR 1778-UNKNOWN)
   |  |  +--Dorcas Staples  (9 Dec 1703-26 JAN 1805)
   +--Alice Morison  (1811-FEB 1890)
      +--Sarah Kent  (Abt. 1782-UNKNOWN)