Henry IV, born 15 April 1367, was King of England and Lord of Ireland from 1399 to 1413. Born at Bolingbroke Castle in Lincolnshire, his father was John of Gaunt and his mother heiress to the considerable Lancaster estates. Henry spent much of his reign defending himself against plots, rebellions and assassination attempts. In the later years of his reign, Henry suffered ill health and died in the Jerusalem Chamber, in the abbot’s house of Westminster Abbey, on 20 March1413. He was buried, not at the usual Westminster Abbey but at Canterbury Cathedral.