Through the influence of Saint-Cyran nine of the ten Arnauld children, and many of their children, became staunch Jansenists. Saint-Cyran and the Arnauld family also strongly opposed the views of Cardinal Richelieu and Saint-Cyran was imprisoned from 1638 until Richelieu's death in 1642.
Sa pamamagitan ng impluwensiya ng Saint-Cyran siyam ng sampung Arnauld mga bata, at marami sa kanilang mga anak, naging matatag Jansenists. Saint-Cyran at ang Arnauld pamilya din Matindi ang laban sa mga views ng Cardinal Richelieu at Saint-Cyran ay nabilanggo mula 1638 hanggang Richelieu ng kamatayan sa 1642.