+--Daniel Nourse 
+--William Nourse 
William M. Nourse  (DEC 1852-MAY 1853)
|           +--John Morison  (1628-16 FEB 1736)
|        +--Halbert Morison  (1685-6 JUN 1755)
|        |  +--Wife One 
|     +--David Morison  (1730-23 FEB 1825)
|     |  +--Jean Steele  (1700-19 OCT 1753)
|  +--David Morrison  (5 FEB 1772-15 MAY 1857)
|  |  |  +--Thomas Boyes 
|  |  +--Elizabeth Boyes  (1739-1 DEC 1816)
+--Rebecca Morrison  (11 DEC 1826-11 NOV 1853)
   +--Olive Liscomb  (19 SEP 1792-)