Roman Catholic Diocese of Lausanne, Geneva and Fribourg in a papal brief of 20 September 1819, the city of Geneva and twenty parishes belonging to the old Diocese of Geneva (which in 1815 had become Swiss) to the See of Lausanne. The bishop (in 1815 Petrus Tohias Yenni) retained his residence at Fribourg, and since 1821 has borne the title and arms of the Bishops of Lausanne and Geneva. His vicar general resides at Geneva, and is always parish priest of that city. Bishop Yenni died on 8 December 1845 and was succeeded by Etienne Marilley. Deposed in 1848 by the Cantons of Berne, Geneva, Vaud and Neuchâtel,
History of Geneva strong faction within the city. The bishop still tried to exercise his jurisdiction over Geneva and on October 24, 1533 wrote a letter to the council, demanding it to stop Protestant preaching in Geneva, which the council refused to do. Following the bishop's flight, the influence of Protestant preachers in Geneva increased, and this was achieved to the chagrin of the local Catholic priests due to pressure from Bern, which threatened to revoke the 1526 alliance treaty unless freedom was granted to Protestants. In addition, the exiled bishop was gradually losing popularity also with the Catholic sections of Genevan society