William married Mary Joyce Lews Evans on 30 Apr 1936 in Bepton, Sussex, England. Mary was born on 9 May 1905 in Isle of Lewis, Stornoway, Scotland; died on 26 Sep 1946 in St. Stephen's Hospital, Chelsea, Middlesex, England; was buried on 30 Sep 1946 in Bepton, Sussex, England. [Group Sheet]

William married Hon. Kathleen Sarah Vestey between 1 Jan and 31 Mar 1955 in Westminster District, London, England. Kathleen was born on 28 May 1909 in Formby, Lancashire, England; was christened on 4 Sep 1909 in St. Peter's, Formby, Lancashire, England; died on 27 Jun 1983 in Knightsbridge, Middlesex, England; was buried in St. Michael's, Yanworth, Gloucestershire, England. [Group Sheet]