Reginald de Dunstanville, 1st Earl of Cornwall Chamberlain". Reginald's sister was Rohesia, wife of Henry de Pomeroy (died c.1135), feudal baron of Berry Pomeroy in Devon. Reginald was invested with the Earldom of Cornwall by his first cousin (by blood) King Stephen (1135–1154), son of Henry I's sister Adela, Countess of Blois. He later supported Stephen's enemy and claimant of the English throne, the Empress Matilda, only legitimate daughter of Henry I, and thus by order of Stephen he forfeited his lands and honours. In about 1173 he granted a charter to his free burgesses of Truro in Cornwall, and addressed his meetings at Truro to "All
Battle of the Standard and in the settling of regained territory, he had drawn on the talent and resources of the Anglo-Norman lands. The death of Henry I in 1135, weakening England, made David more reliant on his native subjects, and allowed him to contemplate winning control over substantial areas of northern England. Henry I had wished his inheritance to pass to his daughter Matilda, and in 1127 made his notables swear an oath to uphold the succession of Matilda (David was the first layman to do so). Many of the English and Norman magnates and barons were against Matilda because she was married