Yvain, the Knight of the Lion is an Arthurian romance by French poet Chrétien de Troyes. It was written c. 1180 simultaneously with Lancelot, the Knight of the Cart, and includes several references to
Yvain rescues the lion (Garrett MS 125 fol. 37r, c. 1295)
The opening lines of the Welsh version, Owain (pre 1382) from Jesus College, Oxford (MS 111).
Ywain, also known as Yvain and Owain, is a Knight of the Round Table in the Arthurian legend. Tradition often portrays him as the son of King Urien of Gorre and of either the supernatural figure Modro
The attributed arms of Yvian (Yriam), son of King Urien (Nurier)
Yvain saving the lion from a dragon in a 15th-century French illustration for Chrétien's Yvain, the Knight of the Lion
Iwein (Yvain) is cured of madness in a 1851 German fresco at the Schwerin Castle in Mecklenburg