Nazarius and Celsus were two martyrs of whom little is known beyond the discovery of their bodies by Ambrose of Milan.
Giovanni Antonio Merli, Saint Nazarius on a horse, 1480. St. Nazarius and Celsus Abbey, San Nazzaro Sesia.
Nazarius and Celsus in the Golden Legend (1497)
Nazarus and Celsus (standing figures), by Titian. The kneeling figure is a donor named Altobello Averoldi.
Perpetua and Felicity were Christian martyrs of the third century. Vibia Perpetua was a recently married, well-educated noblewoman, said to have been 22 years old at the time of her death, and mother
Nazarius and Celsus
…Christian community of Milan which led to the finding of the two bodies." Nazarius was a citizen of Rome whose father was Jewish or pagan. His mother was Perpetua. Nazarius was a student of the apostle Peter and was baptized by Pope Linus. During the persecutions of Nero, Nazarius fled Rome and preached in Lombardy…
The martyrdom of Perpetua, Felicitas, Revocatus, Saturninus and Saturus from the Menologion of Basil II (c. AD 1000)
Mosaic of Saint Perpetua, Euphrasian Basilica, Poreč, Croatia