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
Gervase Clifton (died 1471) Earl of Salisbury, slain in 1460 at the Battle of Wakefield. Maud Stanhope was the daughter of Sir Richard Stanhope (died 1436) of Rampton, Nottinghamshire by his second wife, Maud Cromwell (died 30 August 1497), daughter of Ralph Cromwell, 2nd Baron Cromwell (died c. 2 May 1417). Maud Stanhope was the niece and coheiress of Ralph de Cromwell, 3rd Baron Cromwell (d. 4 January 1456), and the heiress of her sister, Joan Stanhope (died 10 March 1490), who had married firstly Sir Humphrey Bourchier (died 1471), slain at the Battle of Barnet on 14 April 1471, and secondly Sir Robert