Original: Early life 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 .