+--William B. Stevens  (27 JAN 1820-18 FEB 1861)
Eunice Stevens  (5 NOV 1856-)
|              +--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)
|     +--Samuel Morrison  (21 SEP 1766-20 JUN 1843)
|     |  |  +--Thomas Boyes 
|     |  +--Elizabeth Boyes  (1739-1 DEC 1816)
|  +--James Morrison  (16 MAR 1794-1 DEC 1866)
|  |  +--Isabel Spear 
+--Eliza Ann Morrison  (2 MAR 1824-)
   +--Hannah Perley  (12 OCT 1796-10 OCT 1877)