Cadwallo Longhand

Cadwallo Lewirh, Cadwell, Cadwathlan, Cadual

A king who Geoffrey of Monmouth names as the ruler of the Venedotians (North Welsh) under Arthur. According to historian John Morris (Age, 125), an historical Catwallaun Longhand drove the Irish out of Anglesey in 500.

His son was named Maelgwn.

See also
North Wales | The Legend of King Arthur
Venedotia | The Legend of King Arthur