Saint Romanus Ostiarius is a saint of the Catholic Church and Eastern Orthodox Church. His legend states that he was a soldier who converted to Christianity by the example of Saint Lawrence, who baptized Romanus after the soldier was imprisoned. He became a church ostiary in Rome and was later martyred.
Herbermann, Charles, ed. (1913). "Sts. Romanus" . Catholic Encyclopedia. New York: Robert Appleton Company.
Colonnade Statue in St Peter's Square