Feudal barony of Dunster Ryce, by whom he had no sons, only three daughters, Catherine, Dorothy and Mary, co-heiresses to 1/3 in total of his estate, the remaining 2/3rds going by entail to his younger brother Thomas Luttrell (died 1571). Mary survived him and remarried to James Godolphin of Cornwall. Thomas Luttrell (died 1571) of Dunster Castle (younger brother). In 1563 he was MP for the newly created Luttrell Pocket Borough of Minehead, two miles north-east of Dunster Castle. He sold the Devon and Somerset estates, excepting Dunster Castle, apparently to meet debts. These were however "amply replaced" by the large estate inherited from
Dunster Castle and Colonel Robert Blake led a Parliamentary force against Dunster in October. In November Blake began his siege of the castle, setting up his artillery in Dunster village and starting to dig tunnels to plant mines beneath the walls. The castle was briefly relieved by reinforcements in February 1646, but the siege was resumed and by April the Royalists situation was untenable – an honourable surrender was negotiated and a Parliamentary garrison installed. After the end of the Second English Civil War in 1649, however, Parliament decided to deliberately destroy, or slight, the defences of castles in key Royalist areas,