Marie Angélique Arnauld
Jacqueline-Marie-Angélique Arnauld, S.O.Cist. or Arnault, called La Mère Angélique (8 September 1591, in Paris – 6 August 1661, in Port-Royal-des-Champs), was abbess of the Abbey of Port-Royal, which became a center of Jansenism under her abbacy.