+--Mortier L. Morrison 
Alice Gates Morrison  (2 APR 1862-)
|  +--Samuel Gates  (-7 MAY 1854)
+--Susan M. Gates  (13 MAR 1835-1 MAY 1862)
   |     +--Samuel Mitchell  (1722-3 MAY 1798)
   |  +--Benjamin Mitchell  (9 JAN 1755-24 SEP 1840)
   |  |  |     +--John Morison  (1628-16 FEB 1736)
   |  |  |  +--John Morison  (1678-14 JUN 1776)
   |  |  |  |  +--Wife One 
   |  |  +--Jane Morison  (6 APR 1721-11 NOV 1791)
   |  |     +--Margaret Wallace  (1687-18 APR 1769)
   +--Charlotte Mitchell  (21 JUL 1798-16 OCT 1851)
      |     +--Thomas Steele  (1683-22 FEB 1748)
      |  +--David Steele  (30 JAN 1727-19 JUL 1809)
      |  |  |  +--John Morison  (1628-16 FEB 1736)
      |  |  +--Martha Morison  (1682-22 OCT 1759)
      |  |     +--Wife One 
      +--Martha Steele  (1763-9 FEB 1853)
         +--Janet Little  (1729-30 SEP 1816)