John married Deborah Gundry Powning on 24 Nov 1833 in Gwennap, Cornwall, England. Deborah (daughter of Tristram Powning and Margaret Buscomb) was born in 1812 in St. Breock, Cornwall, England; was christened on 27 Dec 1812 in Gwennap, Cornwall, England; died on 15 Mar 1890 in St. Breock, Cornwall, England; was buried in St. Breock, Cornwall, England. [Group Sheet]