Joseph married Mary Ann WILLIAMS, daughter of William WILLIAMS of Penstrase and Loveday RAWLING, on 1 Apr 1850 in Blakiston, S.A., Australia. (Mary Ann WILLIAMS was born on 18 Mar 1824 in Kenwyn, Cornwall, christened on 1 Feb 1825 in Kenwyn, Cornwall and died on 6 Dec 1909 in Morgan, S.A., Australia.)
