William de Mohun of Dunster, 1st Earl of Somerset William de Mohun of Dunster, 1st Earl of Somerset William de Mohun of Dunster, Earl of Somerset (c. 1090 – c. 1155), 2nd feudal baron of Dunster, was a favourite of Empress Matilda and a loyal supporter of her in the war against King Stephen, during which he earned the epithet of the "Scourge of the West". William was the son of William de Moion, who was seigneur of Moyon which is close to Saint-Lô. The elder William was High Sheriff of Somerset in 1084. During the war between Matilda and Stephen, Stephen marched against Mohun's castle at Dunster, but
Dunster Castle to be stripped out as part of the renovations. As part of his work, Salvin appears to have used a number of rolled wrought-iron beams to span the resulting structural gaps in the building, an advanced use of that technology for the time. The house was refurnished with newly bought 16th and 17th-century artwork, two brass Italian cannons and a stuffed polar bear. Alexander Luttrell, who inherited Dunster Castle in 1910, chose to live at East Quantoxhead instead, and it was left empty until his son Geoffrey reoccupied the castle in 1920, redecorating some of the rooms in a contemporary