John married Joan Marmon about 1334 in Of West, Tanfield, Yorkshire, England. Joan (daughter of John Marmion, [Baron Marmion] and Maud Furnivalle) was born about 1313 in Of, West Tanfield, Yorkshire, England; died on 6 Oct 1361; was buried on 22 Oct 1361 in Ipm. [Group Sheet] [Family Chart]