The south was restored to the Houses of Dinefwr and Morgan, but Powys and Gwynedd were given to Gruffydd's half-brothers Bleddyn and Rhiwallon.
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Gruffydd's consolidation of power and alliance with Ælfgar of Mercia made him a threat to Harold Godwinson, earl of Hereford.
Rhiwallon ap Cynfyn | Bleddyn Fardd | Bleddyn Bowen | Bleddyn ap Cynfyn |
Bleddyn ap Cynfyn and his brother Rhiwallon came to an agreement with Harold and were given the rule of Gwynedd and Powys.