William FitzOsbern, 1st Earl of Hereford
…He is one of the very few proven companions of William the Conqueror known to have fought at the Battle of Hastings in 1066. His chief residence was Carisbrooke Castle on the Isle of Wight, one of many castles he built in England. William FitzOsbern was the son of Osbern the Steward, a nephew of Duchess Gunnor, the…