He emigrated to Apennine Peninsula at the turn of the 3rd and 4th centuries, where he helped design and build the city walls of Arminum (Rimini).
Persecuted for professing the Christian faith, he hid in a cave at the foot of Mount Titano. Soon other fugitives joined the hermit and built a church around which the city-state San Marino was founded in the early 4th century.
