Feudal barony of Dunster of Dunster, was as follows: William de Moyon (died post 1090) ("alias" de Moion, later de Mohun), Domesday Book holder of Dunster Castle, 1st feudal baron of Dunster, was Seigneur of Moyon near Saint-Lô in Normandy and was Sheriff of Somerset in 1086. He was the founder of the English "de Mohun" family, prominent in the Westcountry, extinct in the male line seated at Dunster in 1375 and extinct in the junior male line seated at Mohuns Ottery in Devon at about the same time. He is recorded in the Domesday Book of 1086 as holding the manor of "Torre"
Dunster listed building and scheduled monument. Dunster Priory was established as a Benedictine monastery around 1100. The first church in Dunster was built by William de Mohun who gave the church and the tithes of several manors and two fisheries, to the Benedictine Abbey at Bath. The priory, which was situated just north of the church, became a cell of the abbey. The church was shared for worship by the monks and the parishioners, however this led to several conflicts between them. One outcome was the carved rood screen which divided the church in two with the parish using the west