Vera historia de morte Arthuri De miraculis sanctae Mariae Laudunensis by Herman of Tournai 1147 (early witness to the legend of Arthur's survival) Life of Saint Kentigern by Jocelyn of Furness c. 1185 (Contains a version of the legend of Merlin, here called Lailoken) Vita Sancti Illtud c. 1190s (Illtud came across from Brittany to visit his cousin Arthur's court. King Mark mentioned.) French and Anglo-Norman Roman de Brut by Wace c. 1155 (an Anglo-Norman verse reworking of Historia Regum Britanniae) Tristan by Thomas of Britain c. 1170s Tristan by Béroul c. 1170s Folie Tristan d'Oxford, c. 1175–1200 The Lais of Marie de France c. 1170s Lanval Chevrefoil c. 1170s (an episode of the Tristan and Iseult story) The poems of Chrétien de Troyes Erec and Enide c. 1170s Cligés c. 1170s Yvain, the Knight of the Lion c. 1180s Lancelot, the Knight of the Cart c. 1180s Perceval, le Conte du Graal c. 1190 Tristan mentioned but non-extant The poems of Robert de Boron Joseph d'Arimathie Merlin Perceval (Robert de Borons verse Josephe d'Arimathie and 300 lines of Merlin are extant. A prose version of Josephe d'Arimathie, Merlin, Perzival trilogy, supposedly by Robert exists in two MSS.) Lai du Cor by Robert Biket. (Caradoc succeeds in drinking from horn, proves wife's chastity.) La Mantel Mautaillé. (Caradoc's wife passes chastity test by wearing ill-fitting mantel.) La Mule sans frein c. 1200 German Tristan by Eilhart von Oberge c. 1170s Lanzelet by Ulrich von Zatzikhoven late 12th century (a rendering of a lost French tale of Lancelot that likely predates Chrétien de Troyes's famous Lancelot or the Knight of the Cart. Ulrich von Zatzikhoven obtained a copy of the original book in 1194 and translated the work from French into German.) The poems of Hartmann von Aue Iwein, late 12th century (German adaptation of Chrétien's Yvain, the Knight of the Lion) Erec, late 12th century (expanded reworking of Chrétien's Erec and Enide) 13th century French, Anglo-Norman or Provençal Roman de Fergus by Guillaume le Clerc 1190s/1200s Jaufré c. 1180 or 1225 (Occitan verse) La Vengeance Raguidel c. 1200–1225 by Raoul (sometimes identified as Raoul de Houdenc) Lancelot-Grail (Vulgate Cycle), anonymous c. 1210s–1230s Estoire del Saint Grail Estoire de Merlin Lancelot propre Queste del Saint Graal Mort Artu Perlesvaus, anonymous, c. 1210s Prose Tristan by "Luce de Gat" (1230s) and "Helie de Boron" (c. 1240) Roman de Silence by Heldrius de Cornwall