The Chronicon Savigniacensis Monasterii records the death "XVIII Kal Jul" in 1212 of "Gaufridus dominus Filgeriarum, filius Willelmi et Agathæ, filiæ Willelmi de Humeto".
He succeeded his grandfather in 1196 as Seigneur de Fougères. "Dominum Willelmum de Filgeriis" and "Gaufridum de Filg. nepotem suum" settled their dispute “super feodo Rad. de Filgeriis et Olivæ matris suæ”, under which Geoffroy ceded “Coglesium [Coglès]...Marcilleium [Marcillé]...terras et totum feodum de Anglia excepto maritagio dominæ Margaritæ” to his great-uncle for life, by charter dated 25 Jul 1204. The Scripta de Feodis of King Philippe II, dated to the early 13th century, record “...Gaufridus de Filgeriis...” among “milites Britanniæ”. Philippe II King of France confirmed an agreement between “Geoffroi de Fougères” and “Guillaume son oncle” by charter dated [Sep/Oct] 1207. 1
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