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
father:
[Ref: Sanders Baronies p42]
Sources with Information about marriage to unknown
child:
[Ref: Sanders Baronies p42]
Research Notes:
1201: renewed the claim for the Barony of Marshwood [Ref: Sanders Baronies
p42]