 In 1597, Angélique d'Estrées, sister of Gabrielle d'Estrées, was appointed Mother Superior of the Royal Abbey by Henri IV.The abbey's doctrine diverged from that of the Rule of Saint Benedict and the spirit of Saint Bernard.The of the Cistercians gave Angélique Arnauld orders to leave the Abbey of Port-Royal des Champs and go to reform that at Maubuisson.