Which person, who succeeded in 1071 to the Earldom of Hereford, participated in the last serious act of resistance against William in the Norman Conquest?
Roger de Breteuil, 2nd Earl of Hereford Roger de Breteuil, 2nd Earl of Hereford (1056 – after 1087), succeeded in 1071 to the earldom of Hereford and the English estate of his father, William Fitz-Osbern. He is known to history for his role in the Revolt of the Earls
Duke of Hereford Duke of Hereford was a title in the Peerage of England. It was created in 1397 for Richard II's cousin, Henry Bolingbroke, due to his support for the King in his struggle against their uncle Thomas of Woodstock, 1st Duke of Gloucester. It merged in the crown on Henry's usurpation two years later, and has never since been recreated.