Merianus (Welsh: Mairiawn) was a legendary king of the Britons as accounted by Geoffrey of Monmouth. He came to power in 197 BC.1
He was preceded by Gurgintius and succeeded by Bledudo.2
References
References
- Monarchie Nobelesse website, Bretons
- Giles, John Allen (1842). The British History of Geoffrey of Monmouth: In Twelve Books. J. Bohn.