 The East Anglian pedigree in the "Anglian collection", which was probably compiled for Ælfwald, lists his descendants.Alberht is so obscure that for many centuries he was known only from a single statement in a late compilation of material.A reference derived from tradition can be found in the annal for 749 in the "Historia Regum", a mediaeval work possibly produced in part by Byrhtferth of Ramsey.