Tristan the YoungerTanis Guest (translator). Gerritsen and van Melle (eds). A Dictionary of Medieval Heroes. The Boydell Press. 1998. Reprinted 2000. p 280. (Spanish: Tristán el Joven;Entwistle, The Arthurian Legend in the Literatures of the Spanish Peninsula, 1925, p 127 Italian: Tristano il giovane) 15 Proceedings of the British Academy 192. Reprinted at Edmund G Gardner, Notes on the 'Matière de Bretagne' in Italy, Humphrey Milford, London, 1929, p 16. is a characterTristan the Younger. David Nash Ford's Early British Kingdoms. in both the 1534 Spanish edition (Don Tristan de Leonis y Don Tristan el Joven), and the translated 1555 Italian edition, of the romance of the Two Tristans. The second part of both editions is the story of Tristan the Younger.

In the narrative of the aforementioned books, he was the son of TristanBruce, The Arthurian Name Dictionary, 1999, p 474. Entwistle, The Arthurian Legend in the Literatures of the Spanish Peninsula, 1925, p 127. and he was King of LeonisArthurian Literature XXXI, p 164 or Liones,Gardner. The Arthurian Legend in Italian Literature. 1930. p 301. both of which are in fact used in particular as names for Lyonesse.Dotson, "Merchant Culture in Fourteenth Century Venice" (1994) 98. Medieval & Renaissance Texts & Studies 1 at p 179. Lyonnesse, Britannica. Três grandes cavaleiros da Távola Redonda. Sherman, "Lyonesse", Storytelling: An Encyclopedia of Mythology and Folklore, M E Sharpe, 2008, Routledge, 2015, p 293. According to the late Italian Arthurian romanceGardner. The Arthurian Legend in Italian Literature. 1930. p 295. I Due Tristani, he is the son of Tristan and Isolde and succeeds King Mark on the throne of Cornwall.Gardner, Edmund G. The Arthurian Legend in Italian Literature. J.M. Dent & Sons, 1930. 300ff. He married Maria, the Infanta of Castille.Bruce, The Arthurian Name Dictionary, 1999, p 474. Gardner, The Arthurian Legend in Italian Literature, 1930, p 303. He is a miles christianus.Sharrer, "Spain and Portugal" in Lacy (ed), Medieval Arthurian Literature, 1996, p 419.

According to Bruce, the second part of the 1534 Spanish edition is the invention of a new Spanish author, and is not included in the book from which the first part of the 1534 Spanish edition is derived.James Douglas Bruce. The Evolution of Arthurian Romance from the Beginnings down to the Year 1300. Vandenhoeck & Ruprecht]. 1923. Volume 2. p 291. See also Entwistle, Arthurian Legend in the Literatures of the Spanish Peninsula, at p 126. Gardner said that the second part of the Due Tristani is the invention of the Spanish author of the 1534 Spanish edition.Gardner. The Arthurian Legend in Italian Literature. 1930. p 300.

The catalogue of Bernard Quaritch said that the second part of Due Tristani recounts the adventures of Ysaïe le Triste (from the 1522 French book of that name) under the name "Don Tristano il giovane".Catalogue of Romances of Chivalry. Bernard Quaritch. 1882. p 667. However, Entwistle said that Ysaïe le Triste had no effect on the body of Spanish literature relating to Tristan.Entwistle. The Arthurian Legend in the Literatures of the Spanish Peninsula. 1925. p 127.

References Harvey L Sharrer. "Spain and Portugal". Norris J Lacy (ed). Medieval Arthurian Literature: A Guide to Recent Research. Garland Publishing, Inc. 1996. Page 401 at pages 418 and 419. "Tristán el Joven (1534)". David Hook (ed). The Arthur of the Iberians: The Arthurian Legends in the Spanish and Portuguese Worlds. University of Wales Press. 2015. Pages 354 to 362. See also pages 215, 310, 311, 316, 317, 322, 323, 330, 341, 456, 465, 466, 474 and 504. María Luzdivina Cuesta Torre. "Tristán el Joven [I, 52]" in "Diccionario". Tristán de Leonís el Joven. Centro de Estudios Cervantinos. 1999. Pages 73 and 74. See also passim. William J Entwistle. The Arthurian Legend in the Literatures of the Spanish Peninsula. J M Dent & Sons. E P Dutton & Co. 1925. Pages 127 to 129. See also page 126. Christopher W Bruce. "Tristan5 the Younger". The Arthurian Name Dictionary. Garland Publishing, Inc. 1999. Page 474. See also pages 181, 188, 279, 286 and 345. Gillian Eisele, "Don Tristán de Leonís y Don Tristán el Joven: A Reappraisal of the 1534 Sequel to Don Tristán de Leonís" (1979 to 1980) 5 Tristania 28 to 44