Which English king was deposed by his first cousin who became Henry the fourth?
Issue of Edward III of England – 3 February 1399), 1st Duke of Lancaster, fourth son. From the marriage of John of Gaunt and Blanche of Lancaster, daughter and heiress of the Duke of Lancaster, descended legitimate male heirs, the Lancasters (King Henry IV (1399-1413), who as Henry of Bolingbroke in 1399 deposed his first cousin King Richard II (1377-1399), and was followed by his son King Henry V(1413-1422) and the latter's son King Henry VI (1422-1471). This line ended in 1471 when King Henry VI's son Edward of Westminster, Prince of Wales was killed at the Battle of Tewkesbury and when he himself was deposed
History of the English line of succession Wars of the Roses, Henry VI was forcibly deposed by his third cousin twice removed, Edward, Duke of York, who became Edward IV. On the day of Edward IV's deposition, 3 October 1470, the line of succession following agnatic primogeniture was; However, Edward IV was deposed, and the throne was restored to Henry VI, the previous monarch, during the period known as the Readeption of Henry VI. On the day of Henry VI's second deposition, 11 April 1471, the line of succession following agnatic primogeniture was: However, the English nobility again became frustrated with Henry's inability to rule competently, and