+--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)
   +--Horace Morison  (13 SEP 1810-5 AUG 1870)
   |  |     +--John Hopkins 
   |  |  +--John Hopkins 
   |  |  |  |  +--John Dinsmoor 
   |  |  |  +--Elizabeth Dinsmoor 
   |  +--Mary Ann Hopkins  (8 SEP 1779-28 AUG 1848)
   |     +--Isabella Reid 
+--Samuel Lord Morison  (28 OCT 1851-)
|  |  +--Samuel Lord 
|  |  |  +--  
|  +--Mary Elizabeth Lord 
Horace Morison  (1 OCT 1878-)
|  +--David W. Williams 
+--Nancy Olive Williams  (4 NOV 1853-13 OCT 1878)