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
parents:
[Ref: Sanders Baronies p59]
Research Notes:
inherited 1/12 of Barony of Kirklinton from mother [Ref: Sanders Baronies p59]
sold his interest in Kirklinton to Robert Tilliol [Ref: Sanders Baronies p59]