John Williamson 1839–1918 | | |
Alexander Williamson 1841– | | |
Elizabeth Williamson 1884– | | |
Peter Williamson 1912–1954 | | |
Gordon Colquhoun Williamson 1949–1999 | | |
| | George Williamson 1923–2003 Helen Colquhoun 1925–1976 | | |
| | Annie Mitchell Cunningham 1886–1973 | | |
William ‘Wullie’ Williamson 1889– | | |
| | Peter Oswald Williamson 1845– | | |
Margaret Fulton Williamson 1852– | | |
| | | | |