Ministered to the Christian slaves who worked to build and staff the baths of Diocletian. Tortured and martyred with a group of 19 other Christians in the persecutions of Diocletian and Maximian Herculeus.
- excoriated and beheaded in 303 on the Salarian Way, Rome, Italy
- buried near the Salarian Way
- relics translated to Santa Maria in Via Lata, Rome, and at Neuhausen
- “Saint Smaragdus“. CatholicSaints.Info. 18 October 2012. Web. 14 February 2016. <>