HUGUES [I] "Blavons" de Breteuil, son of ERARD [I] Comte de Breteuil, Vicomte de Chartres & his wife Humberge --- (-23 Dec, 1096 or after). "…Gerduini vicecomitis, Ebrardi filii eius, Ebrardi filii Ebrardi, Hugonis fratris eius, Adeladis sororis eorum…" signed the charter dated to [1046/64] under which "Gelduinus…vicecomes" donated a serf to Marmoutier[592]. "Ebrardus, Carnotensium vicecomes" donated a family of servants to "Carnotensi monasterio Sancti Petri", for the souls of "uxorisque meæ Hunbergæ et filiorum meorum", by undated charter signed by "Ebrardi vicecomitis, Ebrardi filii eius, Hugonis filii eius, Huncbergæ uxoris eius…"[593]. His parentage is confirmed by the necrology of Chartres cathedral which records the death "II Id Feb" of "Ebrardus vicecomes Gilduini filius", stating that "Ebrardus filius eius et Hugo" donated property for his soul[594]. Châtelain du Puiset 1067. Vicomte de Chartres 1073. An undated charter records that "Hugonem cognomine Bardulfum cum uxore sua Elisabeth" donated "terram in pago Carnotense...Soors" to Coulombs, that after the death of Elisabeth "nepos eius...Hugo cognomine Blavons" retook the land, but that "Ebrardus frater eiusdem Hugonis, Majoris-Monasterii monachus" protested, the result being that the names of Hugues "et fratres eius Ebrardus et Galerannus, simulque pater eorum...Evrardus" were written into the necrology of Coulombs[595]. The donation of property to "sancti Petro" by "Hugo vicecomes" is recorded in a charter dated 1096, subscribed by "Adelidis uxor vicecomitis, filii eorum, Ebrardus, Hugo, Guiddo et filia Unberga"[596].
m ALIX de Montlhéry, daughter of GUY [I] Sire de Montlhéry & his wife Hodierne dame de Gometz et de la Ferté-Alais (-after 1097). The donation of property to "sancti Petro" by "Hugo vicecomes" is recorded in a charter dated 1096, subscribed by "Adelidis uxor vicecomitis, filii eorum, Ebrardus, Hugo, Guiddo et filia Unberga"[597]. The Historia of Monk Aimon names "Milonem de Brayo et Guidonem Rubeum, Comitissam quoque Reiteste, et Bonam-vecinam de Pontibus, Elizabeth etiam uxorem Joscelini de Corteciniaco, insuper dominam de Puisat, et dominam de S. Galerico" as the children of "Guidonem" and his wife[598]. Dame de Villepreux. "…Mater eius Adelicia…" are named in the charter dated 1095 under which "Ebrardus de Puteolo monachus noster" donated property with "nepotem suum…Ebrardum de Puteolo"[599]. The primary source which confirms her parentage has not yet been identified.
Hugues [I] & his wife had [nine] children: