The Breve Chronicon of Bonneval abbey records that “vicecomes Castridunensis Gaufridus” donated “alodum...Villa Siltula”, for the souls of “sue et uxoris Hermengardis”, and that “filius suus...Hugo” donated “aliam villam juxta sitam...Buxeriam”, undated.
Vicomte de Châteaudun. "…Hugonis vicecomitis, Alonis fratris eius…" signed the charter dated 996 which records the confirmation by "comitissæ Berthæ" of the donation by "Odo comes" of property for the construction of the abbey of Bourgeuil, with the consent of "filiorum suorum Teobaldi…atque Odonis". 1
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