Issue of Edward III of England the Yorks left Richard III as king, supported and then betrayed by his cousin Buckingham, the descendant of Thomas of Woodstock. Finally, the Yorks were dislodged by the remaining Lancastrian candidate, Henry VII of the House of Tudor, another descendant of John of Gaunt, who married the eldest daughter of Yorkist King Edward IV. Edward, the Black Prince (15 June 1330 – 8 June 1376), Duke of Cornwall, Prince of Wales. The eldest son of Edward III who predeceased his father and never became king. Edward's only surviving child was Richard II who ascended to the throne but produced no
Edward the Black Prince with Lancaster, who was then in Brittany. Accordingly he determined to return to Bordeaux by way of Poitiers, and after putting to death most of the garrison of the castle of Vierzon set out on 29 October towards Romorantin. Some French knights who skirmished with the English advanced guard retreated into Romorantin, and when the Black Prince heard of this he said: "Let us go there; I should like to see them a little nearer". He inspected the fortress in person and sent his friend Chandos to summon the garrison to surrender. The place was defended by Boucicault and other