daughter of Owain ab Edwin: Cadwallon, Owain Gwynedd and later Cadwaladr . The cantrefs of Rhos and Rhufoniog were annexed in 1118, Meirionnydd captured from Powys in 1123 and Dyffryn Clwyd in 1124. Another invasion by the king of England in 1121 was a military failure. The king had to come