Research Notes:
Keats-Rohan states, [1]
Walter de Gloecestria
Walter son of Roger de Pitres, nephew of Durand of Gloucester. Norman from Pitres, Eure, cant. Pont-de-l'Arche. The name of his mother, Adeliza, is supplied in Cart. S. Petri Gloc. i, 81, 125, 188-9, 353; ii, 129. He occurs ibid., i, 123, as donor of Westwood for the soul of his brother Herbert, and confirming a grant of his father Roger at Colne (ibid., ii, 235). At his death in 1129 he left issue by his wife Bertha of Miles of Gloucester (q.v.) and Matilda, wife of Richard fitz Pons (q.v.); Comp. Peer. vi, 451-7.
[1] K. S. B. Keats-Rohan, Domesday People, A Prosopography of persons occurring in English documents, 1066-1166 (Boydell & Brewer Ltd, 1999), 451, [GoogleBooks].