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 Anne's death, Richard's ambassadors were sent on a formal errand to negotiate a double marriage between Richard and the Portuguese King's sister Joana, of Lancastrian descent, and between Elizabeth of York and Joana's cousin Duke Manuel (later King of Portugal). The most significant of Richard's defenders was Horace Walpole. In "Historic Doubts on the Life and Reign of King Richard the Third" (1768), Walpole disputed all the alleged murders and argued that Richard may have acted in good faith. He also argued that any physical abnormality was probably no more than a minor distortion of the shoulders. However, he retracted