Original: Henry was born at Monmouth, Wales, in the tower above the gatehouse of Monmouth Castle, the son of Henry of Bolingbroke, later Henry IV, and sixteen-year-old Mary de Bohun, who was to die in childbirth at 24, before Henry of Bolingbroke became king.
Simplified: Henry V was the son of Henry Bolingbroke, later Henry IV, and Mary de Bohun, who died before Bolingbroke became king.