wife of Henry Bolingbroke, later Henry IV. Mary, Henry's first wife, was the younger daughter and co‐heiress of Humphrey Bohun, earl of Hereford (d. 1373). In 1380 she married Henry, earl of Derby, who thus became earl of Hereford. Their surviving children were Henry (later Henry V), Thomas, John, and Humphrey (later dukes of Clarence, Bedford, and Gloucester), Blanche, who married Lewis (IV), later elector of the Rhine Palatinate, and Philippa, who married King Eric VII of Denmark. Mary died in childbirth.
Subjects: British History.