Rhys ap william biography george
In the mid 11th century, Dyfed was part of Deheubarth ruled by Rhys ap Tewdwr who had accepted the suzerainty of William the Conqueror following the Norman Conquest of England. When William died in , Rhys took the view that his vassalage was for William's life only; with other magnates, he attacked Worcester during the rebellion of [7].