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 p81]
Sources with Information about marriage to Warin De VERNON
date:
first marriage of Margaret [Ref: Sanders Baronies p81]
Sources with Information about marriage to John De LITTLEBURY
date:
before 1259 [Ref: Sanders Baronies p81]
Research Notes:
inherited one third of the Barony of Southoe from brother [Ref: Sanders
Baronies p81]