+--John Morison  (1628-16 FEB 1736)
            +--John Morison  (1678-14 JUN 1776)
            |  +--Wife One 
         +--Thomas Morison  (1710-23 NOV 1797)
         |  +--Margaret Wallace  (1687-18 APR 1769)
      +--Robert Morison  (29 NOV 1744-13 FEB 1826)
      |  +--Mary Smith  (1712-29 DEC 1799)
   +--Nathaniel Morison  (11 OCT 1779-11 SEP 1819)
   |  +--Elizabeth Holmes  (23 JUN 1754-17 MAY 1808)
+--Nathaniel Holmes Morison  (14 DEC 1815-)
|  |     +--John Hopkins 
|  |  +--John Hopkins 
|  |  |  |  +--John Dinsmoor 
|  |  |  +--Elizabeth Dinsmoor 
|  +--Mary Ann Hopkins  (8 SEP 1779-28 AUG 1848)
|     +--Isabella Reid 
Robert Brown Morrison  (13 MAR 1851-)
+--Sidney Buchanan Brown