Son of HUGUES III Comte du Maine & his wife --- (-15 Feb [1032/35]). "Hugo Cinomannensis comes" donated property to the abbey of Saint-Victeur du Mans with the consent of "Hugonis filii Herbrannis" by charter dated to [1000/15] subscribed by "Herbertus frater comitis". He succeeded his father [1014/15] as HERBERT I "Euigilans Canis/Eveille-chien" Comte du Maine. "Herbertus Evigilans canem cognomine" donated property to the abbey of Saint-Pierre-de-la-Cour du Mans after defeating "Odone Campaniensi?comite" by charter dated Jul 1016. Comte Herbert I & his wife [name not known] had four children.