Prison guard at the Mamertine prison in Rome, Italy. Worked with Saint Processus. Guarded Saint Peter the Apostle and Saint Paul the Apostle when they were imprisoned in Rome. Converted to Christianity and baptized by them. Tortured and executed in the persecutions of Nero. Martyr.
- publicly venerated from the 4th century
- “Saint Martinian of Rome“. CatholicSaints.Info. 27 June 2015. Web. 29 November 2015. <>