The Manual of Dhuoda records the birth "XI Kal Apr", in the year following the death of Emperor Louis, at "Uzecia urbes" of the second child [Bernard] of Doda and her husband Bernard. The Annales Bertiniani name "rex markiones Bernardum scilicet Tolosæ et iterum Bernardum Gothiæ, itemque Bernardum alium" in 868, this being Bernard Marquis of Gothia, although the date of his appointment has not so far been traced.
Lay Abbot of Brioude 857/68. Comte d'Autun 864/69, deposed. "Bernardus comes et uxor eius Ermengardis" donated property "ecclesiam…in villa…Viciaco…et in villa Lubiriaco…et in villa…Dignaciaco…in…patria Arvernica in vicaria Randanensi" to Saint-Julien de Brioude by charter dated 10 Mar . Comte de Rodez/Rouergue 864/74.
Comte d'Auvergne after 872. The Annales Bertiniani name "Bernardum Arvenicum comitem" in 877. "Petrus" donated property "in pago Arvernico in comitatu Brivatensi in vicaria Nonatensi..." to Saint-Julien de Brioude for the souls of "Bernardi...comitis necnon...Bernardi comitis eiusque conjugis Inmengardis...comitissa, horumque prolis" by charter dated Jan "anno secundo regnante rege Francorum Carolo". "Bernardus…comes et uxor mea Hermengardis" donated property "in pago Rutenico, in vicaria Severiacense…villa…Bautone" to the abbey of Conques by charter dated 21 Jul 882. He obtained the county of Mâcon during the wars between the Carolingians and the Bosonids.
The 13th century obituary of the Eglise primatiale de Lyon records the death "VIII Id Jan" of "Bernardus comes", although it is not certain that this relates to the same person. 1