At the beginning of the 12th century, Pope Gelasius II granted a diploma to Saint-André, in which, among other privileges, he confirmed the pre-eminence of the abbey over more than sixty obediences. This document shows that, since its foundation at the end of the 10th century, the monastery had built up a network of dependencies in Provence and had gathered a substantial temporal In order to do this, like other monasteries in the region, Saint-André was undoubtedly the depositary of part of the possessions of the aristocratic families. The relations maintained by the monks with the surrounding world are mainly based on the circulation of goods, and therefore on various transactions - donations, sales, disputes, restitutions - whose periodic renewal and the negotiations they give rise to contribute to the constitution and reproduction of the social fabric.