England–Wales border after Harold's death at the Battle of Hastings, Wales was again divided without a leader to resist the Normans. Immediately after the Norman conquest of England, King William installed one of his most trusted confidants, William FitzOsbern, as Earl of Hereford. By 1071 he had started the building of Chepstow Castle, the first castle in Britain built of stone, near the mouth of the Wye. It served as a base from which the Normans continued to expand westward into south Wales, establishing a castle at Caerleon and extinguishing the Welsh kingdom of Gwent. William also installed Roger de Montgomerie at
Preston on Wye Gwrfoddw, who was king of Ergyng, after a victory in battle over the Saxons granted land at Bolgros to Bishop Ufelfyw - Bolgros was said to be "on the banks of the Wye, at some distance from Mochros (now Moccas)" - in thanksgiving for the victory. Bolgros is believed to have been Preston-on-Wye, and a church was built on the site of the present church, dedicated to the Holy Trinity, St Peter, St Dubricius and St Peter. The village has two seasonal campsites located close to the River Wye for canoeists. Preston on Wye Preston on Wye is a village