 By the beginning of the seventeenth century, the Abbey of Maillezais owned priories and churches in the dioceses of Saintes, Luçon, Nantes, Poitiers, and Bordeaux, in addition to their holdings in Maillezais.An anonymous monk of Saint Pierre de Maillezais wrote a historical work entitled, "De monsterii Malleacensis devastatione facta a Gaufredo de Leziniaco", ca.1332.