John married Margaret Princess Of England in 1359 in Queen's Chapel, Reading, Berkshire, England. Margaret (daughter of Edward III King of Eng Plantagenet and Queen Phillippa of Hainault, Countess of Holland") was born on 20 Jul 1346 in , Windsor Castle, Berkshire, England; died after 1 Oct 1361 in Woodstock Palace- Woodstock, Oxfordshire, , England, British Isles; was buried in Abbey Church, Abingdon, Berkshire, England. [Group Sheet] [Family Chart]