The decapitation of St. Primus and St. Felicianus.Fresco of the martyrdom of Saint Primus and Saint Felicianus in the Chapel of St. Primus and St. Felicianus (Felician) built by Pope Theodore I (7th cent.). Saint Primus and Saint Felicianus (Prime et Felicien) were brothers who suffered martyrdom about the year 297 during the Diocletian persecution.Fresco by Antonio Tempesta. (il Tempestino. 1555-1630).- Basilica di Santo Stefano Rotondo al Celio (Basilica of St. Stephen in the Round on the Celian Hill - Eglise Saint-蓆ienne-le-Rond)Construction: 5th century. Celian Hill; Rome; Italy (2020)