Enniaunus ('' Welsh:'' ''Einion mab Arthal'') was a legendary king of the

Britons British people or Britons, also known colloquially as Brits, are the citizens of the United Kingdom of Great Britain and Northern Ireland, the British Overseas Territories, and the Crown dependencies.: British nationality law governs mod ...

as recounted by

Geoffrey of Monmouth Geoffrey of Monmouth ( la, Galfridus Monemutensis, Galfridus Arturus, cy, Gruffudd ap Arthur, Sieffre o Fynwy; 1095 – 1155) was a British cleric from Monmouth, Wales and one of the major figures in the development of British historiography ...

. He was the son of King Archgallo and brother of Marganus II. According to Geoffrey, he ruled poorly and harshly causing him to be deposed due to tyranny. He was replaced with his cousin, Idvallo.

References

{{Geoffrey of Monmouth Legendary British kings 3rd-century BC rulers