The Arnauld or Arnaud family Lord de la Mothe, de Bessac, de la Besse, de Villeneuve, de Ronzière et d'Artonne, then d'Andilly, de Corbeville and Marquess de Pomponne is a noble French family prominent in the 17th century, and closely associated with Jansenism, associating frequently with the Jansenist religious communities in Port-Royal de Paris and Port-Royal des Champs. Wikipedia