Marganus II (Welsh: Morgan mab Arthal) was a legendary king of the Britons as recounted by Geoffrey of Monmouth. He came to power in 299BC.Monarchie Nobelesse website, Bretons
He was the son of King Archgallo and was succeeded by his brother, Enniaunus. He ruled the kingdom in tranquility and without conflict.Sacred Texts website, Histories of the Kings of Britain (Book III), by Geoffry of Monmouth, tr. by Sebastian Evans, (1904)
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