Dunster Castle the north; a third force, under the command of William de Mohun, landed by sea along the Somerset coast. William had been granted 68 manors in the region and by 1086 had established a castle at Dunster; this would form both the "caput", or principal castle, for his new lands, and help guard the coast against the threat of any fresh sea-borne attack, as well as controlling the coastal road running from Somerset to Gloucestershire. This first castle was a motte and bailey design, built upon the former Anglo-Saxon "burgh"; the top of the Tor was scarped to form the
Feudal barony of Dunster who was a "powerful personage" due to her large Wyndham dowry, purchased Dunster Priory following the Dissolution of the Monasteries, which thenceforth descended with the castle. By his wife Margaret Wyndham he had children including three sons: Sir John Luttrell (died 1551), of Dunster Castle, eldest son and heir. He was one of the principal commanders in the Scottish war under the earl of Hertford. In 1545 he was knighter after the capture of Leith. He was taken prisoner by the Scots in 1550 at Broughty Craig and was ransomed for £400. He married Mary Ryce, daughter of Sir Griffith