"Henry VI, Part 2' Roger Bolingbroke, a conjurer. 'King Richard II' Henry Bolingbroke, Duke of Hereford, later 'King Henry IV"
The name Bolingbroke is commonly a male name from the "Shakespearean" origin that means "Henry VI, Part 2' Roger Bolingbroke, a conjurer. 'King Richard II' Henry Bolingbroke, Duke of Hereford, later 'King Henry IV".