Ieuaf [SEP] father
Ieuaf
Idwal ab Idwal (, died 988), usually known as Ieuaf () to distinguish him from his father Idwal Foel, was joint king of Gwynedd in northern Wales from 950 to 969. He possibly also ruled Powys for some time.
Ieuaf was a son of King Idwal the Bald. Upon his father's death in battle against the Anglo-Saxons in 942, he and his brother Iago were driven from their kingdom by their uncle Hywel Dda of Deheubarth, who took the crown for himself. On
, Earl of Mercia. Hywel defeated Iago in battle in 979, and the same year Iago was captured by a force of Vikings, possibly in Hywel's pay, and vanished from the scene. Hywel was left as sole ruler of Gwynedd, but apparently did not set his father free, since according to J.E. Lloyd, Ieuaf remained in captivity until 988.
In 980 Hywel faced a challenge from Iago's son, Custennin ab Iago, who attacked Anglesey in alliance with Gofraid mac Arailt, a Viking chief from the