+--Robert B. Chalmers 
Annie Lizzie Chalmers  (26 JUL 1867-)
|  +--Isaac Edes  (-26 OCT 1859)
+--Martha W. Edes  (17 NOV 1832-)
   |     +--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)
   +--Elizabeth Mitchell  (6 MAY 1793-8 OCT 1873)
      |     +--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)