Descendants of Olive Shirley WILLIAMSON
1927 - 1998 (71 years)
Father: Leslie Frank Gerald WILLIAMSON 
(Abt 1898 - 2 Apr 1945 Roebourne, Western Australia, Australia)
(Abt 1898 - 2 Apr 1945 Roebourne, Western Australia, Australia)Olive Shirley WILLIAMSON (Carnarvon, Western Australia, Australia;1927 - Jul 1998)
: │ 
Bernadus Nicholas VAN OLFFEN
(17 Sep 1951 Olzeedal, Holland - 21 Nov 1997 Box Hill, Victoria, Australia)
Bernadus Nicholas VAN OLFFEN
(17 Sep 1951 Olzeedal, Holland - 21 Nov 1997 Box Hill, Victoria, Australia): │ └─ Elizabeth Jeannette SEYMOUR
(18 Mar 1976 Subiaco, Western Australia, Australia - 9 Jan 2016 Dandenong, Victoria, Australia)
(18 Mar 1976 Subiaco, Western Australia, Australia - 9 Jan 2016 Dandenong, Victoria, Australia) Ernest James THOMAS
(13 Feb 1918 South Fremantle, Western Australia, Australia - 26 Aug 1986 Carnarvon, Western Australia, Australia)