Looking for Webster of Glasgow

Looking for William Robertson Webster born 10th January 1900, died 5th January 1941? and Catherine Buchanan Webster born 4th November 1900, died 5th January 1976?, may have remarried after Williams death. They had a son John Webster born 15th October 1927, died 20th April 1985 Melbourne, Australia. John served in the Royal Navy 1945 and married Mary Moffatt, divorced. Joined Royal Australian and married Virginia Linblom, they had a daughter Carolyn Heather Webster, born in Tasmania 1954.Any help would be greatly appreciated.