クレティアン・ド・トロワ
Chrétien de Troyes wrote the first story of Percival, "Perceval, the Story of the Grail", in the late 12th century. Wolfram's "Parzival", Thomas Malory's "Le Morte d'Arthur", and the now-lost "Perceval" by Robert de Boron are other famous accounts of his adventures.