"…Ilberti filii Nivelonis, Fulcherii fratris eius, Girardi fratris eius…" signed the charter dated to [1046/64] under which "Gelduinus…vicecomes" donated a serf to Marmoutier. "Hamelinus de Longiaco, pariterque uxor mea…Helviza, filia Odonis Dublelli" donated "[ecclesiam] Sancte Marie…Tufiacum" to the church of Saint-Vincent du Mans, for the soul of "Hugonis Dublelli minoris filii…Odonis Dublelli" who was buried at Saint-Vincent, with the consent of "filii nostri Wauterii et filie nostre Hersendis, meique privigni…Ilberti qui fuit filius Pagani", by charter dated to [1067/74].
Seigneur de Mondoubleau. A charter dated 28 Oct 1084 records the reparations made by "comes Burchardus filius Fulconis Vindocinensis" to La Trinité de Vendôme for a judgment against the abbey, witnessed by "Radulfus vicecomes, Fulcherius de Fractavalle, Paganus de Montedublello…". A charter dated 1085 before 6 Aug recalls the donation by "Nivelo Nivelonis filius", husband of "filiam Odonis Dublelli quondam Montis Dublelli domini", to La Trinité de Vendôme and the confirmation by "filius…Nivelo…cognomento Paganus", witnessed by "Burchardo comite…". "Ildebertus cognomento Paganus filius predicte Helvise" donated property to the abbey of Saint-Vincent after he recovered "Montem Dublellum" by charter dated to [1080/1103]. Orderic Vitalis records that “Raganus de Monte-Dublelis” held “castrum Balaonem”, dated to [1088]. A charter dated to end-11th century records that "Paganus de Monte Dublelli" relinquished claims against the church of Saint-Vincent du Mans relating to property "apud Tufiacum".
Married firstly ---. No proof of this first marriage has been found. However, the wording of the charter which names Ilbert and his wife Aiga suggests that the latter was not the mother of his daughter Guiburge, pointing to an earlier marriage.
Married secondly Aiga, daughter of ---. "Paganus de Monte Dublelli et Aia uxor sua" donated property to the abbey of Saint-Vincent with the consent of "Wiburgis supradicti Pagani filia" by charter dated to the end of the 11th century. "Aiga uxor Pagani de Monte Dublelli" consented to the donation by "Salomon vicarius…cum filia eius Papina" to the abbey of Saint-Vincent dated to [1100]. 1