+--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-)
      +--Montgomery Morison  (14 APR 1783-10 March 1846)
      |  +--Dorcas Staples  (9 Dec 1703-26 JAN 1805)
   +--James Morison  (1815-1846)
   |  +--Keziah Cothren  (14 October 1789-14 May 1878)
+--Nathan Montgomery Morison  (1 Feb 1842-1930)
|  +--Nancy Davis  (-1845)
Abby Morison  (1872-1876)
+--Abigail Hathaway Hinds  (22 May 1842-1911)