Cherin was a legendary king of the Britons as recounted in Geoffrey of Monmouth's Historia Regum Britanniae. He came to power in 251BC.Monarchie Nobelesse website, Bretons

His father was King Porrex II and he was succeeded by his three sons in turn, Fulgenius, Edadus, and Andragius.Sacred Texts website, Histories of the Kings of Britain (Book III), by Geoffry of Monmouth, tr. by Sebastian Evans, (1904)

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