Feudal barony of Dunster Fownes (c. 1722 – 1780), who under his father-in-law's will inherited the Luttrell estates including Dunster Castle, with the proviso that he should adopt the surname and arms of Luttrell. Henry Fownes (c. 1722 – 1780), who married the heiress Margaret Luttrell (1726–1766) and under his father-in-law's will inherited the Luttrell estates including Dunster Castle, with the proviso that he should adopt the surname and arms of Luttrell. He was High Sheriff of Somerset from 1754 to 1755, and a Member of Parliament for Minehead from 1768 to 1774. The couple modernised the Castle, in the Georgian style, which included
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