Joan married Duke of York, Prince of England EDMUND LANGLEY before 04 Nov 1393. EDMUND (son of King of England EDWARD PLANTAGENET, III and Queen of England PHILIPPA HAINAULT) was born on 05 Jun 1341 in Kings Langley, Hertfordshire, England; was christened in Kings Langley, Hertfordshire, England; died on 01 Aug 1402 in Kings Langley, Hertfordshire, England; was buried in 1402 in Langley, Hertfordshire, England. [Group Sheet] [Family Chart]