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"
Feudal barony of Dunster was Principle Private Secretary to the Governor-General of Australia. In 1918 he married Alys Anne Bridges (died 1974), daughter of Rear-Admiral Walter Bridges, of Victoria, Australia, whom he had met in Australia. After his marriage he returned to England with his wife, and moved into Dunster Castle, which had been given them by his father, who continued to live at East Quantoxhead. Although not a player himself, he was interested in Polo and established a polo ground with stables at Dunster, and hosted tournaments. During World War II he was vice-chairman of the Great Western Railway Company and during the