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 cross has an octagonal base and polygonal shaft, however the head of the cross has been lost. It stands on a small area of raised ground on a plinth. The socket stone is wide and high. The surviving shaft is high and changes from square to octagonal as it rises. There is an inscription on the northern face which says "WC, 1871, WS" recording a restoration. It is in the care of English Heritage for the state and managed by the National Trust. Other notable buildings include the Nunnery, Dunster Watermill, Dovecote and the Priory barn, which belonged to Dunster