Cunedda dynasty ended, Merfynion began
The extinction of Cunedda's lineal (direct descendant) male line inheritance of the Kingdom of Gwynedd. The emergence of the Merfynion dynasty from the House of Manaw in the 9th century, and the beginnings of the Cambro-Norse era (Wikipedia articles linked). The Kingdom of Gwynedd had firmly established itself as a contender for supremacy as ruler of the British Isles after the Roman occupation of Britain at the end of the 4th century. Then came the Anglo-Saxon invasions between the 5th to 11th centuries. This was the prequel to and at the same time as the Cambro-Norse era against the Vikings, lasting between the 850s to the 1100s, culminating in the Norman invasion. The consecutive invasions of Wales meant a need for a change in personnel to protect the Kingdom, this forced the emergence of the Merfynion dynasty, named after a 9th century King of Gwynedd, Merfyn Frych (Merfyn the Freckled, Old Welsh: Mermin, Merfyn the oppressor). Image courtesy of Wikimedia Commons, a...