Geraint son of Erbin through a variety of subsequent sources. Later genealogies associate him with southwestern Britain and South Wales in the late 6th century. The early poem "Y Gododdin" mentions a "Geraint before the South", conceivably a reference to Geraint mab Erbin. However, Geraint achieved his greatest fame as the hero of the prose romance "Geraint and Enid", a fictional tale that follows the narrative of Chrétien de Troyes' French work "Erec and Enide". "Geraint son of Erbin" makes heavy use of repetition in celebrating Geraint's deeds at Llongborth, which may be identified with Langport, Somerset, or Portsmouth, Hampshire though "llongborth" may refer
The Weirdstone of Brisingamen from Norse mythology, but from the Welsh mythology encapsulated in Mediaeval texts like the "Mabinogion". For instance, Govannon, one of the names with which Garner addresses Grimnir, has been adopted from the mythological character of Govannon ap Dun. Although Garner avoided incorporating his story into Arthurian mythology, the benevolent wizard in the novel, Cadellin Silverbrow, does have a link to the Arthurian mythos, in that "Cadellin" is one of the many names by which Culhwch invoked Arthur's aid in the Mediaeval Welsh Arthurian romance about Culhwych and Olwen. Other words used in the novel are taken from elsewhere in European