In 1214 maître (master) Pierre, a priest of Marseille, was inspired to build a chapel dedicated to the Virgin Mary on the hill known as La Garde, which belonged to the abbey of Saint-Victor. The abbot granted him permission to plant vines, cultivate a garden and build a chapel. The chapel, completed four years later, appears in a June 18, 1218 papal bull by Pope Honorius III listing the possessions of the abbey. After maître Pierre died in 1256, Notre-Dame de la Garde became a priory. The prior of the sanctuary was also one of four claustral priors of Saint-Victor.