elder sister of Antoine Arnauld, was born Sept. 8, 1591; became a nun at the age of eight years, and, contrary to the usual order, abbess of Port- Royalῥ des-Champs at eleven years of age. At the age of seventeen she introduced the rule of Citeaux into her abbey, and also revived the discipline of St. Bernard. She died Aug. 6,1661.
Her sister, JEANNE CATHERINE AGNES de St. Paul, who died Feb. 19,1671, published two books, one entitled. L'image d'une Religieuse Panfaite et dune Imparfaite (Paris, 1660):-the other, Le Chapelet Secret du Saint Sacrament (1663) :-also Constitutions de Port Royal (1721).