HUGUES [IV] de Châteaudun, son of GEOFFROY [III] Vicomte de Châteaudun & his wife Heloise dame de Mondoubleau (-[1180]). "Gaufrido vicecomite, Helvisa uxore eius, Hugone filio eius, Alpez et Helvisa filiabus eius…" witnessed an undated charter which records a donation by "Arnulfus de Semblentiaco" to the church of Saint-Vincent du Mans[1403]. "Gaufridus de Castroduno" donated property to the abbey of Sainte-Trinité de Tiron with the consent of "uxore mea [unnamed] Hugone filio meo et duabus filiabus meis Aupazia et Helvissa atque nepote meo Gofredo filio comitis Vindocinensis" by charter dated 1119[1404]. "Uxor eius Helvisis et duo filii eius Hugo et Paganus cum duabus sororibus eorum Alpasia et Helvise" consented to the donation by "Gaufredus vicecomes Castriduni" by charter dated 1125[1405]. "Gaufridus vicecomes Castriduni et Helvisa uxor eius et Hugo et Paganus filii eius et dua filia eius Alpes et Helvisa" donated property to the abbey of Sainte-Trinité de Tiron by charter dated 1129[1406]. "Gaufridus Castridunensis vicecomes et eius...uxor Helvisa" donated property to the abbey of Sainte-Trinité de Tiron, with the consent of "filiis et filiabus suis...Hugone, Huberto, Aupeza, Heloisa", by charter dated 1133[1407]. A charter dated 1145 records that Geoffroy Bishop of Chartres had excommunicated "Gaufridum Castriduni vicecomitem et filios eius Hugonem et Paganum et castrum eorum", but that on his deathbed "apud Carnotum" had become a monk at Tiron Sainte-Trinité and that "uxor eius Helois vicecomitissa et filius eorum Hugo" had made peace with the abbey[1408]. Vicomte de Châteaudun. "Hugo Castriduni vicecomes" freed to the men of the church of Notre-Dame-de-Mondoubleau with the consent of "uxor mea Margarita…filii mei Gauffridus, Hugo, Paganus, Odo et filia mea Helvisa" by charter dated 1163, witnessed by "Willelmus frater vicecomitis"[1409]. "Hugo vicecomes Castriduni…et Margarita uxor mea et filii mei Gaufridus, Hugo et Paganus" confirmed a donation to La Madeleine de Châteaudun by charter dated 1175[1410].
m MARGUERITE de Saint-Calais, daughter of SYLVESTRE Seigneur de Saint-Calais & his wife --- (-before 1202). "Uxor mea Margarita…" consented to the freeing of the men of the church of Notre-Dame-de-Mondoubleau by "Hugo Castriduni vicecomes" by charter dated 1163[1411]. "Hugonem vicecomitem Castriduni" donated property to Saint-Denis de Nogent with the consent of "uxor vicecomitis Margarita et filii eorum Gaufridus, Hugo et Paganus" by charter dated 1166[1412]. "Hugo vicecomes Castriduni…et Margarita uxor mea et filii mei Gaufridus, Hugo et Paganus" confirmed a donation to La Madeleine de Châteaudun by charter dated 1175[1413].
Hugues [IV] & his wife had six children: