Humbert de Vion, bishop of Grenoble

-http://fmg.ac/Projects/MedLands/burgkvien.htm#HumbertGrenobledied1030
1. HUMBERT ([960/70]-[after 1030]). "Humbertus episcopus Gratianopolitanensis" donated property "medietatem castri de Visilia" to Cluny by charter dated [Sep/Oct] 996, subscribed by "Fredeburgis matris eius, Wiguonis fratris eius, Humberti episcopi de Valentia nepotis eius"[156]. His birth date range is estimated on the assumption that he was adult when appointed to his bishopric. Bishop of Grenoble 990 or before. "Wigo et uxor mea Fredeburga" donated property "in comitatu Viennensi in agro Cassiacensi in villa…Vernio" by charter dated Sep [996], subscribed by "Umberti episcopi, Richardi, Vagoni, Bosoni, Adraldi"[157]. "Umbertus Grationopolensis ecclesiæ præsul" donated property "locum de Sancto Bartholomeo cum ecclesia de Madernatis" to the abbey of Saint-Chaffre with the consent of "Radulfo rege et regina Ermengarda, et domino archiepiscopo Brocardo, matre quoque mea Fredeburge, atque Maileno nepote meo, simulque aliis nepotibus meis Umberto atque Wigone" by charter dated 1012, signed by "Fredeburgæ matris eius, Wigonis et Umberti filiorum fratris eius, Malleni nepotis eius"[158]. Prudhomme states that Bishop Humbert was still living in 1030 but had abandoned the administration of his diocesis to his nephew Mallen[159]. He cites no primary source to support his statement.