In 1646 she accompanied her husband to Minster, where he was sent by Mazarin as chief envoy, and where she charmed the German diplomatists who were making the treaty of Westphalia, and was addressed as the "goddess of peace and concord."
The duke of Sully carried out a revision in 1604, and other attempts were made by Mazarin and Colbert, but the extravagarces of Louis XV.
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.
Are: - (1) The extensive work on the fundamental notions of physics, called Communia Naturalium, which is found in the Mazarin library at Paris, in the British Museum, and in the Bodleian and University College libraries at Oxford; (2) on the fundamental notions of mathematics, De Cornmunibus Mathematicae, part of which is in the Sloane collection, part in the Bodleian; (3) Baconis Physica, contained among the additional MSS.
Marca now interested himself in the fortunes of Mazarin, and remained faithful to him even during the xvn.