Alba
The ruler of Alba was King Cuilén (Cailean the White), who had ruled since 967 and would continue to do so until 971.
Deheubarth
The ruler of Deheubarth was King Owain ap Hywel ap Cadell, who had ruled since 950 and would continue to do so until 986.
England
The ruler of England was King Eadgar I (Edgar the Peaceable), who had ruled since 959 and would continue to do so until 975.
Gwynedd
The ruler of Gwynedd was King Iago ab Idwal .
Strathclyde
The ruler of Strathclyde at this time was likely to have been King Dyfnwal map Owain.