Eliud, also known as Elihud, was a legendary king of the Britons, as recounted by Geoffrey of Monmouth. He came to power in 221BC.Monarchie Nobelesse website, Bretons
He was preceded by Urianus and succeeded by Cledaucus.Sacred Texts website, Histories of the Kings of Britain (Book III), by Geoffry of Monmouth, tr. by Sebastian Evans, (1904) He is otherwise unattested.
References
Geoffrey of Monmouth By Evans, Sebastian