The Chronicle of Adémar de Chabannes names "Alduinus et Villelmus" as the two sons of Vulgrin, in a later passage recording that Alduin inherited Angoulême. The Historia Pontificum et Comitum Engolismensis names “Aldouino quidem Engolismam, Guillermo vero et Agennum” as the sons of “Vulgrinus”. A recital (undated) of two miracles attributed to relics conserved in the abbey of Charroux names "Audoinus filius Vulgrinni" as count of Angoulême.
He succeeded his father in 886 as Comte d'Angoulême. The Historia Pontificum et Comitum Engolismensis records that “Aldouinus Engolismensis comes” undertook the restoration of “muros civitatis Engolismæ”.
The death "VI Kal Apr 916" of "Ilduinus comes" is recorded in the Annales Engolismenses. The Chronicle of Adémar de Chabannes records that "Vulgrimni filius eius Alduinus" lived thirty years after succeeding his father, and in a later passage his death "VI Kal Apr" and his burial next to his father. The Historia Pontificum et Comitum Engolismensis records the death “VI Kal Apr” of “Alduinus” and his burial next to his father. 2
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