His parentage is confirmed by the charter dated [1125 or before] in which "Airardus Breonensis comes…et comitem Barrensem Milonem fratrem suum" are named, subscribed by "…Arnulfi Risnellensis, Airardi fratris eius"[1156], read together with the Gesta Episcoporum Virdunensium which names "Aderardus filius Hugonis comitis de Risnello"[1157].
From whom descend the Seigneurs de Reynel and Seigneurs de Pierrefitte.
