Leir was a legendary king of the Britons whose story was recounted by Geoffrey of Monmouth in his pseudohistorical 12th-century History of the Kings of Britain. ), which he called (using the Old Welsh form of the city's name) Kaerleir ("City of Leir"). An annual feast was held nearby in his honour. Edmund Spenser's The Faerie Queene, and other works.
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