Marie de France wrote in Francien, with some Anglo-Norman influence. She was proficient in Latin, as were most authors and scholars of that era, as well as Middle English and possibly Breton. She is the author of the "Lais of Marie de France". She translated Aesop's Fables from Middle English into Anglo-Norman French and wrote "Espurgatoire seint Partiz", "Legend of the Purgatory of St. Patrick", based upon a Latin text. Recently, she has been (tentatively) identified as the author of a saint's life, "The Life of Saint Audrey". Her "Lais" were and still are widely read and influenced the subsequent development of the romance/heroic literature genre.