GEOFFROY, son of --- (-after 986). Vicomte [de Châteaudun]. 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[1316]. "…Gauzfredi vicecomitis…" subscribed the charter dated Mar 967 under which "Girardus Sancti Martini canonicus et sacerdos" donated property "Taiseis" to Tours Saint-Julien[1317].
mERMENGARDE, daughter of ---. 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[1318].
Vicomte Geoffroy & his wife had one child: