Brictric's lands were granted after the death of Matilda in 1083 by her eldest son King William Rufus (1087–1100) to Robert FitzHamon (died 1107), the conqueror of Glamorgan, whose daughter and sole heiress Maud (or Mabel) FitzHamon brought them to her husband Robert de Caen, 1st Earl of Gloucester (pre-1100 – 1147), a natural son of Matilda's younger son King Henry I (1100–1135). Thus Brictric's fiefdom became the feudal barony of Gloucester. The Grenville family held Bideford for many centuries under the overlordship of the feudal barons of Gloucester, which barony was soon absorbed into the Crown, when they became tenants in chief.