Hubert's younger brother, Robert de Vallibus/Vaux; living temp. Stephen; held Lordships in Suffolk and Norfolk; founder of Pentney Priory, Norfolk; died temp. Henry II. [Burke's Peerage]
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The youngest son, Robert, seated himself in Normandy and was succeeded by his son, William. [John Burke, History of the Commoners of Great Britain and Ireland, Vol. IV, R. Bentley, London, 1834, p. 100, Martin, of the Wilderness, Family of Vaux]