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 p104]
Sources with Information about marriage to Henry De TRACY
names:
Henry de TRACY & dau Johel de Toteneis [Ref: Sanders Baronies p104],
child:
[Ref: Sanders Baronies p104]
Research Notes:
inherited 1/2 of Barony of Barnstaple from brother [Ref: Sanders Baronies
p104]