The Chronicle of Adémar de Chabannes names "Bernardus" as son of "Aldebertus frater [Helias Petragoricensi comite]" and his wife "sorore Widonis vicecomitis". The Chronicle of Saint-Maxence names "Audeberti comitis Marchiæ…filius Bernardi, qui fuit Audeberti, qui fuit Bosonis, qui Sulpicii, qui fuit Godfredi primi comitis de Karrofo". The Chronicle of Adémar de Chabannes names "Bernardo filio Hildeberti", specifying that he succeeded in la Marche on the death of Boson Comte de Périgord et de la Marche.
He succeeded his uncle in [1003/12] as Comte de la Marche. 1
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