She became the great protectress of the Jansenists; it was in her house that Arnauld, Nicole and De Lane were protected; and to her influence must be in great part attributed the release of Lemaistre De Sacy from the Bastille, the introduction of Pomponne into the ministry and of Arnauld to the king.
Among the mendicant friars of the 13th century, among the Jansenists, the early Quakers, the converts of Wesley and Whitefield, the persecuted protestants of the Cevennes, the Irvingites.
In 1730 he entered the Mazarin College under the Jansenists, who soon perceived his exceptional talent, and, prompted perhaps by a commentary on the Epistle to the Romans which he produced in the first year of his philosophical course, sought to direct it to theology.
He favoured the Jesuits, especially in their conflict with the Jansenists, forbade in 1661 the translation of the Roman Missal into French, and in 1665 canonized Francis of Sales.
In the struggle against the Jansenists he used all the influence he had with the clergy to secure the passage of the apostolic constitution of the 31st of March 16 J3 (Relation de ce qui s'est fait depuis 1653 Bans les assemblies des iveques au sujet des cinq propositions, 1657); but in the rebellion raised by Retz, archbishop of Paris, against the king, he took the part of the king against the pope.
The Nouvelles ecclesiastiques (1728-1803) were first printed and circulated secretly by the Jansenists in opposition to the Constitution unigenitus.
Louis Charles d'Albert (1620-1690), duke of Luynes, son of the constable, was an ascetic writer and friend of the Jansenists; Paul d'Albert de Luynes (1703-1788), cardinal and archbishop of Sens, an astronomer; Michel Ferdinand d'Albert d'Ailly (1714-1769), duke of Chaulnes, a writer on mathematical instruments, and his son Marie Joseph Louis (1741-1793), a chemist; and Honore Theodore Paul Joseph (1802-1867), duke of Luynes, a writer on archaeology.
Tregelles wrote Heads of Hebrew Grammar (1852), translated Gesenius's Hebrew Lexicon, and was the author of a little work on the Jansenists (1851) and of various works in exposition of his special eschatological views (Remarks on the Prophetic Visions of Daniel, 1852,1852, new ed., 1864).
The use of French for these purposes was a characteristic of the" Little Schools " of the Jansenists of Port-Royal(r 643-1660) .
His first appearance before a wider public was in 1799, when he published against the Italian Jansenists a controversial work entitled Il Trionfo della Santa Sede, which, besides passing through several editions in Italy, has been translated into several European languages.
The French crown was willing to sacrifice the Jansenists, who disturbed that dead level of uniformity so grateful to autocrats; but Gallicanism touched its very prerogatives, and was a point of honour which could never be abandoned outright.
Side by side with the Roman Catholic hierarchy are the congregations of the Old Catholics or Old Episcopalian Church (Oud Bisschoppelijke Clerezie), and the Jansenists (see Jansenism).
The Old Catholics, with whom the Jansenists are frequently confused, date from the 17th century.
It was submitted to a committee of influential Jansenists, with the duc de Roannez at their head, and, in addition, it bore the imprimatur of numerous unofficial approvers who testified to its orthodoxy.
He exercised a moderating influence on Louis XIV.'s zeal against the Jansenists, and Saint-Simon, who was opposed to him in most matters, does full justice to his humane and honourable character.
The one great blot on this ideal existence was his persecution of the Jansenists (see JANsEN-ISM).