The son of Gorbonianus was a legendary king of the Britons as recounted by Geoffrey of Monmouth. He was a son of King Gorbonianus but was never given a name in the text. He came to power in 305BC.Monarchie Nobelesse website, Bretons
According to Geoffrey, he was a good and prudent king who emulated his uncle and predecessor, Elidurus. He was just and compassionate to his people and never faltered in his righteousness to them.Sacred Texts website, Histories of the Kings of Britain (Book III), by Geoffry of Monmouth, tr. by Sebastian Evans, (1904) When he died, he was succeeded by his cousin, Marganus, the son of Archgallo.
In Layamon's Brut by Layamon he is named as Lador,Internet Archive, Layamon's Brut, or Chronicle of Britain: a poetical semi-saxon paraphrase of the Brute of Wace ... Vol. I but rules for a short time.
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