Sanders, I. J., English Baronies, A Study of Their Origin and Descent 1086-1327. Oxford: Clarendon Press, 1960. Information from this source tagged as [Ref: Sanders Baronies p[0-9]*].
Sources for birth and parent Information
brother:
possibly William de KENTWELL [Ref: Sanders Baronies p126]
Sources with Information about marriage to unknown
child:
[Ref: Sanders Baronies p126]
Research Notes:
nothing is known about Walter de Kentwell [Ref: Sanders Baronies p126(2)]