The Chronicle of Adémar de Chabannes records that Charles II "le Chauve" King of the West Franks installed "Vulgrimnum propinquum suum, fratrem Aldoini abbatis ex monasterio Sancti Dionisi" with "Engolisme et Petragorice" after Comte Emenon was killed (in 866), commenting that Vulgrin had been missus in Aquitaine for "Carlo magno imperatore fratre eius" and was already "senex" when appointed to Angoulême, although this is inconsistent with his parents' marriage date. Vulgrin's relationship with the Carolingian kings was through his mother. The Chronicle of Saint-Maxence records that King Charles II installed "Vulgrinum propinquum suum, fratrem Aldoini abbatis ex monasterio Sancti Dionysii" with "Engolismæ et Petragoricæ" after the death of Emenon Comte de Poitou.
Comte d’Agen: the Chronicle of Adémar de Chabannes records that "Vulgrimnus" inherited "Aginnum...urbem" through "sororem Willelmi Tolosani" whom he had married. He was installed as Comte d'Angoulême, Comte de Périgord in 866. His parentage is confirmed by the charter dated 2 Nov 889 under which "Vulfardus" donated property to Saint-Benoît-sur-Loire for the souls of "genitoris mei Vulfardi et genetrice mea Susannane necnon et germanorum fratrum meorum Adelardo, Vulgrino, Ymo et sorore mee Hildeburga vel nepote meo Vulgrino". The Historia Pontificum et Comitum Engolismensis records that “Vulgrinus” built “castellum Mastacium et Marcilliacum” as part of his strategy against Viking attacks and sent “in Marcilliaco Robertum, legis doctum, et amicum Rannulfum”, making the latter “vicecomitem”. Sénemaud dates the construction of the castle to 866, but does not specify the basis for this statement.
The Chronicle of Adémar de Chabannes records the death "V Non Mai" of "Vulgrimno" and his burial "iuxta basilicam Sancti Eparchii". The death in 886 of "Vulgrimnus comes" is recorded in the Annales Engolismenses.
The name of Vulgrin’s wife is not known. The Chronicle of Adémar de Chabannes records that "Vulgrimnus" inherited "Aginnum...urbem" through "sororem Willelmi Tolosani" whom he had married. The identity of "Willelmi Tolosani" is unclear. The Histoire Générale de Languedoc speculates that he was Guillaume Comte de Bordeaux (whom it refers to as comte de Toulouse), son of Bernard Marquis de Septimanie and his wife Dhuoda. If this is correct, she was ---, daughter of Bernard Comte d'Autun, Marquis de Septimanie [Toulouse] & his wife Dhuoda --- ([842/44]-). However, this proposed origin seems far from certain as this Guillaume, if he was indeed comte de Toulouse, could only have ruled the town briefly. In addition, it seems strange that the relationship with her more illustrious (or notorious) father, Bernard, would not have been used in the source to place the wife of Vulgrin, if she had been the daughter of Bernard. If she was the daughter of Bernard and Doda, she must have been born in [842/44] as the Manual of Dhuoda states that their second son Bernard was his mother's second child. The editors of the third edition of the Histoire Générale de Languedoc suggest that the passage in Adhémar de Chabannes refers "probablement [à] Guillaume comte de Bordeaux". If that is correct, she was ---, probably daughter of Bertrand Comte [de Bazas] & his wife Berta ---. Jaurgain suggests that this suggestion is correct, on the basis that Guillaume was the son of “Bertrand comte de Bazas et d’Agen” and therefore entitled to pass Agen to his brother-in-law. Unfortunately, he cites no source which confirms that Bertrand was “comte d’Agen”, nor any source which confirms beyond doubt the co-identity between Bertrand’s son Guillaume and Guillaume Comte [de Bordeaux, [Duke of Gascony]. However, this second hypothesis has some appeal. If it is correct, Vulgrin’s wife must have been considerable earlier than any daughter of Bernard Marquis de Septimanie, which is more consistent with Vulgrin being described as “senex” when he was appointed to Angoulême.... 2
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