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 left in the castle grounds, the remaining servants had little to do. John's brother Henry inherited in 1857, but he too lived in London rather than at Dunster. George Luttrell inherited the castle in 1867 and began an extensive modernisation, backed by the considerable income from the Dunster estates – in a period of agricultural boom in England, the estates were producing £22,000 in revenue a year (£1.49 million at 2010 prices). It was fashionable during the mid-Victorian period to remodel existing castles to produce what was felt to be a more consistent Gothic or sometimes Picturesque appearance and George,