Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.4 (#601-#820): Das Feudale Frankreich und sein Einfluss auf die Welt des Mittelalters. Marburg: Verlag von J. A. Stargardt, 1989. Information from this source tagged as [Ref: ES III.4 #[0-9]*].
Sources for birth and parent Information
father:
[Ref: ES III.4 #774]
Sources for death Information
date:
vor 1154 [Ref: ES III.4 #774]
Sources with Information about marriage to Agnes Of Lieras
child:
[Ref: ES III.4 #774]
Research Notes:
Vicount of Brosse [Ref: ES III.4 #774]
heir of the Vicount of Brosse after the childhhod death of his cousin,
Bertrand Vicount of Bridiers [Ref: ES III.4 #774]