House of Lancaster to members of the family and their supporters. The family provided England with three kings: Henry IV, who ruled from 1399 to 1413, Henry V (1413–1422), and Henry VI (1422–1461 and 1470–1471). The House became extinct in the male line upon the murder in the Tower of London of Henry VI, following the battlefield execution of his son Edward of Westminster, Prince of Wales, by supporters of the House of York in 1471. Lancastrian cognatic descentfrom John of Gaunt and Blanche of Lancaster's daughter Phillipacontinued in the royal houses of Spain and Portugal while the Lancastrian political cause was maintained
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