. . . "Petronius"@en . . "Saint Petronius"@en . "0450Z"^^ . "Saint Petronius (Italian: San Petronio) (died ca. 450 AD) was bishop of Bologna during the fifth century. He is a patron saint of the city. Born of a noble Roman family, he became a convert to Christianity and subsequently a priest. As bishop of Bologna, he built the Church of Santo Stefano."@en . "Italian bishop and saint" . . .