Scholars have since realized that these exceedingly sparse references were accurate, and that East Anglia was indeed ruled jointly after 749. As a result, Alberht has become a more substantial reality. The identity of these two rulers (or possibly three, if Hun is included) and the reason for this division of power remain unknown. The historian Barbara Yorke suggests the possibility that the kings each ruled a separate part of the kingdom at this time, but acknowledges that the political landscape of 749 is not well understood. D. P. Kirby gives an alternative view of the events that may have occurred following the death of Ælfwald. He connects Alberht with Æthelberht II of East Anglia and states that Alberht was still ruling in 794, which would imply that he reigned for around forty-five years.