Tolong jelaskan mengenai Alduin (†916), Comte Angoulême dari Vulgrin I

Guillaume I (†920), Comte Périgord dan Agen

Sancha (?), m. Adémar, Comte Angoulême

Lewis, Archibald R. The Development of Southern French and Catalan Society, 718–1050. University of Texas Press: Austin, 1965.

Histoire P@ssion - Chronologie historique des Comtes d’Angoulême (in French)

The Descent, Name and Arms of Borlase of Borlase in the County of Cornwall by William Copeland Borlase, Page 13