Ieoþwel þæs binama wæs 'se Andfeaxa' wæs Snāwdūnes Cyning in þǣm ǣrrorum tēoðan gearhunde.
Ieoþwel wæs Anarades sunu and in þǣm Wyliscan gereorde is his nama Idwal ab Anarawd. He wæs of þǣm Aberffraw Hūs and his foregenga in swlycum cynedōme wæs his fæder Anarawd Rodri sunu. Willelm of Mealdelmesbyrig sæd þe man his hāt "Bretta Cyning" swa swa his fæder.
On his fæder dēað in 916 fang Ieoþwel to rīce. In 918 gerad Ēadweard Cyning þa burg æt Tameworþige, and him cierde to eall se þeodscype on Myrcna lande þe Æþelflæde ær underþeoded wæs; and þa cyningas on Norþwealum, Howel, and Cledauc, and Ieoþwel, and eall Norþweallcyn hine sohton him to hlaforde.
Ðan fang Æþelstan to rīce in 924 swār Ieoþwel āþ to Æþelstan Engla Cyning, and æfterweard cwōm Ieoþwel to Æðelstanes hired in 927, 928, and 937. In 927 sealde Ieoþwel his hand to bōcum and he brōhtede his fyrd mid Huwel of Deheubarth and Morgan ab Owain of Went wiþ Uwen Dyfnwaling Stræcledwala Cyning in þǣm ilcan geare.