John married Beatrice Of ENGLAND on 22 Jan 1260 in Abbey of St. Denis, Paris. Beatrice (daughter of Henry III King Of ENGLAND and Eleanor Of PROVENCE) was born on 25 Jun 1242 in Bordeaux, Gascogne, France; died on 24 Mar 1274/5 in Bretagne, France; was buried in Grey Friars, Newgate, Middlesex, England. [Group Sheet] [Family Chart]