1911 Encyclopædia Britannica, Volume 28… (1911)
“ Nevertheless, he became more anxious than ever to emancipate himself from French thraldom, and his first sign of independence was his visit to Venice in 1687, where he conferred on political affairs with Prince Eugène of Savoy and other personages, without consulting Louis. About this time the duke plunged into a whirl of dissipation, and chose the beautiful but unscrupulous Contessa di Verrua as his mistress, neglecting his faithful and devoted wife. ”
