WELCOME! SAINTS OGGERIUS, SULPITIUS, AND SEMPRONIUS, BISHOPS IN SWITZERLAND Following the martyr's death of Saint Maurice (Mauritius) and his companions in Valais, many renounced idolatry, converted and turned our Lord Jesus Christ. Around A.D. 310, Bishop Oggerius was active in that area. His full name was Oggerius Hypogrenensis and, according to an old catalog from Ivrea, was sent to Valais by Pope Marcellus . Since an ancient handwritten manuscript calls him a bishop, Burgener* (P. Laurentius - Helvetia sancta) does not hesitate (II. p. 143) to count him as a bishop in the proper sense. His successor in this mission, Saint Sulpitius, who came from Gaul and died at Martinach (in the year 323), bears the title of bishop. Bishop Sempronius is mentioned in 347. The Simplon is said to have been named after him, which we are not sure about, but it is definitely quite unlikely that he attended the Council of Sardica, which has been claimed elsewhere (Hefele , Co...