'Henry IV', (1367-1413), 1830. Henry IV (1367-1413) King of England from 1399 to 1413. The son of John of Gaunt, he spent much of his reign defending himself against plots, rebellions and assassination attempts. He founded the House of Lancaster and was the first King of England since the Norman Conquest whose mother tongue was English. From "Biographical Illustrations", by Alfred Howard. [Thomas Tegg, R. Griffin and Co., J. Cumming, London, Glasgow and Dublin, 1830]