or Howel Dda or Hywel the Good
died 950
Welsh chieftain called "king of all Wales.
" He inherited Seisyllwg and secured Dyfed by marriage, thereby creating the kingdom of Deheubarth. Eventually Gwynedd and Powys also came under his rule. By 942 his realm was larger than that of any earlier Welsh ruler. He codified Welsh law during his peaceful reign and accepted the status of subking to the Anglo-Saxon king of Wessex.