David Williamson | Robin Williamson | Williamson County | Jack Williamson | Alison Williamson | Williamson County, Tennessee | Sonny Boy Williamson II | John Williamson | Brown & Williamson | Marjorie Kinnan Rawlings | Marjorie Merriweather Post | Marjorie Cohn | Fred Williamson | Williamson | Skip Williamson | Marjorie Cameron | John Williamson (singer) | Williamson County, Texas | Nicol Williamson | Marjorie Halpin | Marjorie Bowen | Marianne Williamson | J. C. Williamson | Allen Williamson (Representative) | Allen Williamson Bridge | Allen Williamson | South Williamson, Kentucky | South Williamson | Sonny Boy Williamson | Shaun Williamson |
The eldest son of William Harold Pearsall, (1891–1964), F.R.S., and professor of freshwater biology at Sheffield University and Manchester University, and his wife Marjorie Williamson, a lecturer in botany, was born at Leeds, while his parents were both lecturers at the University of Leeds.