Richard "le Goz," Vicomte of Avranches
Richard "le Goz," Vicomte of Avranches, son of Thurstan "le Goz", had at least two daughters. His wife is unknown.1,2
- [S1845] Henry James Young, The Blackmans of Knight's Creek: Ancestors and Descendants of George and Maria (Smith) Blackman (Carlisle, Pennsylvania: s.p., 1980), 110 (Gen XXVII 69), further cited as Young, Blackmans of Knight's Creek.
- [S2084] Charles Cawley and Foundation for Medieval Genealogy, "Nobility, Norman," Medieval Lands: A Prosopography of Medieval European Noble and Royal Families, ver. 3.4, online (by subscription) http://fmg.ac/Projects/MedLands/CONTENTS.htm, accessed Dec 2016, further cited as Cawley & FMG, "Nobility, Norman."