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
Henry I of England December. The Empress Matilda did not give up her claim to England and Normandy, leading to the prolonged civil war known as the Anarchy between 1135 and 1153. Historians have drawn on a range of sources on Henry, including the accounts of chroniclers; other documentary evidence, including early pipe rolls; and surviving buildings and architecture. The three main chroniclers to describe the events of Henry's life were William of Malmesbury, Orderic Vitalis, and Henry of Huntingdon, but each incorporated extensive social and moral commentary into their accounts and borrowed a range of literary devices and stereotypical events from other popular