Charles de Flahaut was generally recognized to be the offspring of his mother's liaison with Talleyrand, with whom he was closely connected throughout his life.
To the liaison between his sister Giulia Farnese Orsini and Alexander VI.
Within a few months of this culminating triumph, she was threatened with utter ruin by the discovery of a supposed liaison with her gentleman of the bedchamber, William Mons, a handsome and unscrupulous upstart, and the brother of a former mistress of Peter.
He once lay in hiding for two months with the duchesse du Maine at Sceaux, where were produced the comedietta of La Prude and the tragedy of Rome sauvee, and afterwards for a time lived chiefly at Luneville; here Madame du Chatelet had established herself at the court of King Stanislaus, and carried on a liaison with Saint-Lambert, an officer in the king's guard.
At this time ended his liaison with Mme de Balbi, and the influence of d'Avaray reached its height.
After a careful education, completed by the usual grand tour, Magnus learned the art of war under Gustavus Horn, and during the reign of Christina (1644-16J4), whose prime favourite he became, though the liaison was innocent enough, he was raised to the highest offices in the state and loaded with distinctions.
About 1802 he contracted with Madame de Condorcet a liaison which lasted till her death (1822).
The confessor united his influence with that of Madame de Maintenon to induce the king to abandon his liaison with Madame de Montespan.
In 1859 he was tried on a charge of murder, having shot Philip Barton Key, U.S. attorney for the District of Columbia, whom Sickles had discovered to have a liaison with his wife; but was acquitted after a dramatic trial lasting twenty days.
Constant's political career was spoiled by his liaison with Madame de Stael, and at the Restoration was further disturbed by his unreturned passion for Madame Recamier.