+---William Morrison (1841-27 AUG 1903)
| +---Mary Ann Moore 
+---Thomas Lamb Morrison (26 DEC 1861-01 JUN 1946)
| | +---William Lamb (1668-)
| | +---William Lamb (02 APR 1711-)
| | | +---G Hunter
| | +---James Lamb (10 DEC 1758-25 JUL 1853)
| | | +---Christine Aitken
| | +---Alexander Lamb (19 FEB 1782-1835)
| | | +---Christina Hamilton
| | +---Thomas Lamb
| | | +---Catherine Thomson
| +---Cathrine Lamb (1839-08 JAN 1904)
| +---Hannah Henderson
Elgin Lamb Morrison
+---Margaret Robson