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
Richard III of England Warwick was considering the king's brothers as strategic matches for his daughters, Isabel and Anne: young aristocrats were often sent to be raised in the households of their intended future partners, as had been the case for the young dukes' father, Richard of York. As the relationship between the king and Warwick became strained, Edward IV opposed the match. During Warwick's lifetime, George was the only royal brother to marry one of his daughters, the eldest, Isabel, on 12 July 1469, without the king's permission. George joined his father-in-law's revolt against the king, while Richard remained loyal to Edward, even