Argyll
The ruler of Argyll was Lord Somerled, who had ruled since 1156 and would continue to do so until 1164.
Deheubarth
The ruler of Deheubarth was King Rhys ap Gruffydd ap Rhys, who had ruled since 1155 and would continue to do so until 1197.
England
The ruler of England was King Henry II (Henry Beauclerc), who had ruled since 1154 and would continue to do so until 1189.
Gwynedd
The ruler of Gwynedd was King Owain Gwynedd ap Gruffydd, who had ruled since 1137 and would continue to do so until 1170.
Scotland
The ruler of Scotland was King Malcolm IV (Malcolm the Maiden), who had ruled since 1153 and would continue to do so until 1165.