Renaud de Courtenay; Sheriff of Devon and Castellan of Exeter; married by 1178 Hawise, feudal Lady of Okehampton, daughter and coheir of William de Crucy (or Geoffrey de Crunes (Craon)) by his wife Maud d'Avranches, the latter being heiress of Baldwin Fitz Gilbert's family, which had held the honour of Okehampton and the Shrievalty of Devon 1080-1142. [Burke's Peerage]
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Reginald de Courtenay, son by (1st wife, an unidentifed woman whom I have unsourced as Hawise Deincourt), b. c 1150, d. 27 Sep 1194, buried Ford Abbey, co. Devon; held barony of Oakhampton (in right of wife); m. Hawise de Courcy, d. 31 July 1219, lady of Oakhampton, half-sister of his father's second wife [Maud, daughter of Robert Fitz Edith (illegitimate son of King Henry I of England, by Edith, daughter of Forn), by Maud (d'Avranches) de Courcy, widow of William de Courcy], daughter and heir of William de Courcy, by wife, Maud d'Avranches, lady of Oakhampton, and of du Sap in Normandy, daughter and heir of Robert d'Avranches, lord of Oakhampton, co. Devon. [Ancestral Roots]