(-ABT 1899)
+---Robert Williamson (ABT 1870-)
| | +---Samuel King (ABT 1804-22 APR 1884)
| +---Mary Ann King 
(02 MAY 1838-ABT 1903)
| +---Mary Gordon (ABT 1802-09 JAN 1875)
Robert Williamson
+---Helen ? (1862-21 JUN 1932)