John de Beaumont, 2nd Baron Beaumont, styled in the summons to parliament, 25 February, 1342, "Johannes de Bello-monte," but never entitled Earl of Boghan. His lordship m. Lady Alianore Plantagenet, 5th dau. of Henry, Earl of Lancaster, and great grand-dau. of King Henry III, by whom he had an only child, Henry, born in Brabant, during her ladyship's attendance upon Philippa, Queen Consort of Edward III. This nobleman, like his father, was much engaged in the Scottish wars. His lordship d. in 1342, leaving by the Lady Alianore Plantagenet, his wife (who m. 2ndly, Richard, Earl of Arundel), an only son, Henry de Beaumont, 3rd baron. [Sir Bernard Burke, Dormant, Abeyant, Forfeited, and Extinct Peerages, Burke's Peerage, Ltd., London, 1883, p. 36, Beaumont, Viscounts Beaumont]