 (Because of the similarity of names and also because of a forged will, Addula has been frequently confused with Saint Adela of Pfalzel, daughter of Dagobert II of Austrasia, thus wrongly imputing to Gregory membership of the royal house of the Merovingians).He received his early education at Pfalzel.When, in 722, Saint Boniface passed through Trier on his way from Frisia to Hesse and Thuringia, he stayed at this convent.