Tony Williamson - television writer - died on 1991-06-19.
David Mills - TV writer - died on 2010-03-30.
Adolphus Williamson died in 1889.
Audrey Williamson died in 2010.
Sidney Williamson died in 1935.
Geoff Williamson died in 2009.
Wallace Williamson died in 1926.
Duncan Williamson died in 2007.
G. A. Williamson died in 1982.
Brian Williamson died in 2004.
Henry Williamson died in 1977.
Stu Williamson died in 1991.
Kay Williamson died in 2005.