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 Castle sold the castle back to Geoffrey in 1954. His son Colonel Walter Luttrell lived away from Dunster, and following the death of his mother – the last Luttrell to live in the property – gave the castle and most of its contents to the National Trust in 1976. Dunster Castle is operated by the National Trust as a tourist attraction. Little remains of the medieval castle except for the Great Gatehouse and the remains of several towers in the Lower Ward; the heart of the modern castle today is the much altered 17th-century manor house. The key features of the