Claim: Hereford Castle is a manor rebuilt by William FitzOsbern, Earl of Hereford and father of Roger FitzOsbern, the failed deposer of King William .
Evidence: He may have rebuilt the castle as it was in use in 1067 when the Anglo-Saxon Chronicle noted that Eadric the Wild harassed its garrison. Shortly after the Norman Conquest in 1066, William FitzOsbern was made Earl of Hereford. In 1071 William FitzOsbern died and his son Roger took over possession of the castle. He was involved in an unsuccessful attempt to depose King William and consequently forfeited the castle.