+--Benjamin Thom  (1747-12 JUN 1811)
+--William Ware Thom  (29 DEC 1777-16 DEC 1870)
|  |        +--John Morison  (1628-16 FEB 1736)
|  |     +--James Morison  (1675-15 MAR 1756)
|  |     |  +--Wife One 
|  |  +--Samuel Morison  (1704-11 FEB 1776)
|  |  |  +--Mary Wallace 
|  +--Catherine Morison  (20 SEP 1745-5 MAY 1815)
|     |  +--Samuel Alison 
|     +--Martha Alison  (31 MAR 1720-3 DEC 1761)
Benjamin Thom  (9 APR 1819-)
+--Eliza Somes  (31 JAN 1779-27 MAY 1862)