Searle, Eleanor Predatory kinship and the creation of Norman power, 840-1066. Berkeley: University of California Press, c1988. NYPL JFE 88-2496. Information from this source tagged as [Ref: Searle PredatoryKinship p[0-9]*].
Sources for birth and parent Information
father:
[Ref: Searle PredatoryKinship p263]
Sources with Inaccurate birth and parent Information