+--Samuel Morison (1671-29 SEP 1757) | +-- +--John Morrison (1721-1776) | +--Margaret Henry (1685-30 APR 1774) +--Samuel Morrison (5 MAR 1751/52-1802) | +--Elizabeth Alexander (ABT 1721-ABT 1811) Elizabeth Morrison (1788-1802) +--Mary Roach (WFT Est 1736-1760-WFT Est 1779-1849)