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
Ralph Hastings (died 1495) to the crown by the attainder on 4 November 1461 of Sir William Vaux, later slain at Tewkesbury. He held numerous offices during the reign of Edward IV, including Keeper of the Lions and Leopards in the Tower of London. In 1470 he was Controller of Customs in Lynn, Norfolk, as well as Controller of Petty Customs in London. He was High Sheriff of Northamptonshire in 1471, and represented the county in Parliament as Knight of the Shire in 1472. In 1472 he and his eldest brother, William Hastings, 1st Baron Hastings, were granted licence to found a guild at