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 between Edward III and Philip VI, the Duke of Cornwall is said to have met the cardinals outside the City of London, and in company with many nobles to have conducted them to the King Edward. On 11 July 1338 his father, who was on the point of leaving England for Flanders, appointed him guardian of the kingdom during his absence, and he was appointed to the same office on 27 May 1340 and 6 October 1342; he was of course too young to take any save a nominal part in the administration, which was carried on by the council.