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http://en.wikipedia.org/wiki/Owain_ap_HywelOwain ap Hywel (died 987) was king of
Deheubarth in south
Wales and probably also controlled
Powys.
Owain was the son of
Hywel Dda, originally king of Deheubarth but by the end of his life king of most of Wales. On Hywel's death in 950 Deheubarth was shared between Owain and his two brothers,
Rhodri and
Edwin. The sons of Hywel were not able to keep hold of
Gwynedd, which was reclaimed for the traditional dynasty of
Aberffraw by
Iago ap Idwal and
Ieuaf ap Idwal, the sons of
Idwal Foel.
In 952 Iago and Ieuaf invaded the south, penetrating as far as
Dyfed. The sons of Hywel retaliated by invading the north in 954, reaching as far north as the Conwy valley before being defeated in a battle at
Llanrwst and being obliged to retreat to
Ceredigion.
Rhodri died in 953 and Edwin in 954, leaving Owain to rule Deheubarth alone. Owain did not again try to reclaim Gwynedd, but instead he and his son Einon turned eastwards to attack the kingdom of
Morgannwg (modern
Glamorgan) in 960, 970 and 977. Owain was now ageing, and it appears that Einon took over the rule of the kingdom on behalf of his father. On a further raid on the east in 984, Einon was killed by the noblemen of
Gwent.
Following Einon's death, Owain's second son,
Maredudd, took over the leadership in war, and in 986 did what his father had failed to do by seizing the throne of Gwynedd, ousting Ieuaf's son
Cadwallon ab Ieuaf. The following year Owain died and Maredudd became king of Deheubarth as well as Gwynedd.
The
Annales Cambriae were compiled at Owain's instigation.