Succeeded his brothers Rhodri (d. 953) and Edwin (d. 954) as ruler of Deheubarth, the rest of his father's territories having reasserted their independence. His sons were Cadwallon (d. 966), Idwallon (d. 975), Einion (d. 984), and Maredudd, who succeeded him in 988. Checked in a raid on Gwynedd in 954 at Llanrwst, Owain turned his attention south to Morgannwg and Gwent: his son, Einion, was killed in a raid on Gwent in 984.
From The Kings and Queens of Britain in Oxford Reference.
Subjects: British History.