..." The potato was known under the name of truffole, and it is about 1540, in our High-Vivarais, on the territory of the village of Saint-Alban d'Ay, hamlet of Bécuze, at three miles of Annonay, that this tuber was sown the first time in the Kingdom, having been imported by a monk franciscain of Tolède in Spain, named Pierre Sornas, native of Bécuze, which very old had been withdrawn in his family "...

In "La Truffole en France" by Charles du Faure de Saint Sylvestre- 1785