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
House of Commons of England royal expenditures, and criticism of the King's management of the military. The Commons even proceeded to impeach some of the King's ministers. Although Mare was imprisoned for his actions, the benefits of having a single voice to represent the Commons were recognized, and the office which became known as Speaker of the House of Commons was thus created. Mare was soon released after the death of King Edward III and in 1377 became the second Speaker of the Commons. During the reign of the next monarch, Richard II, the Commons once again began to impeach errant ministers of the Crown.