Elizabeth and Alice: John de Montfort, Baron Montfort (d. before 11 May 1296). In 1280 his father granted his marriage to Edward I's wife, Eleanor of Castile. John de Montfort was summoned to Parliament on 24 June 1296 by writ directed Iohanni de Monte Forti, 'whereby he is held to have become Lord Montfort'. Before 28 March 1287 he married Alice de la Plaunche, the daughter of William de la Plaunche, by whom he had a son and heir, John de Montfort, 2nd Baron Montfort (1291 – 24 June 1314), who took part in the death of King Edward II's favourite, Piers Gaveston, for which he was eventually pardoned. He was slain at the Battle of Bannockburn, dying unmarried and without issue, and was succeeded by his younger brother, Peter de Montfort, 3rd Baron Montfort (d. before 24 January 1370), who also died without legitimate male issue, at which time any barony created by writ fell into abeyance among his two sisters. Elizabeth de Montfort, who married William Montagu, 2nd Baron Montagu, by whom she was the mother of four sons and seven daughters, including William Montagu, 1st Earl of Salisbury; Simon Montagu, successively Bishop of Worcester and Bishop of Ely; Elizabeth Montagu, Prioress of Holywell Priory; and Maud and Isabel Montagu, successively Abbesses of Barking Abbey. Alice de Montfort, who married firstly Warin de Lisle (d. before 7 December 1296), by whom she was the mother of Robert de Lisle, 1st Baron Lisle (d. 4 January 1343), and secondly Robert FitzWalter, 1st Baron FitzWalter. Notes References 1200s births 1265 deaths Year of birth uncertain Place of birth missing High Sheriffs of Staffordshire High Sheriffs of Shropshire Speakers of the House of Commons of England English MPs 1258 People of the Barons' Wars De Cantilupe family