Joan married Richard Prince Of England, [EARL OF CORNWALUnmarried. Richard (son of John "Lackland" King England and Isabella De Taillefer, [QUEEN OF ENGLAN) was born on 5 Jan 1209 in , Winchester, Hampshire, England; died on 2 Apr 1272 in Berkhampsted, Berkhampsted, Hertfordshire, England; was buried on 13 Apr 1272 in Hailes Abbey, Hailes, Gloucestershire, England. [Group Sheet] [Family Chart]