 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

Roger did not keep on good terms with William the Conqueror, and in 1075, disregarding William's prohibition, Roger married his sister Emma to Ralph Guader, Earl of Norfolk.