John married Mary CAULDWELL on 12 Jun 1756 in St. Alkmund's Church, Duffield, Amber Valley, Derbyshire, England. Mary (daughter of Vincent CAULDWELL and Dorothy SADLER) was christened on 30 May 1737 in St. Alkmund's Church, Duffield, Amber Valley, Derbyshire, England. [Group Sheet] [Family Chart]