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
Henry Stafford (c. 1425 – 1471) 12 he made a firm decision to support Edward and to join him, accompanied by his Steward, John Gilpyn, and other retainers. Although ill-prepared, Henry and his men travelled to Barnet, where the Yorkists won a decisive victory on 14 April 1471. The previous day Henry had made a hastily drafted will, in which he referred to Margaret as “my most entire belovyd wyff”. Henry is believed to have suffered from the skin disease erysipelas, also known as “St Anthony’s Fire” and thought at the time to be a form of leprosy. In the last few years of his life,