The Holy Martyrs Erasmus, Alphaeus, Philadelphus, Cyprian, Onesimus, and 14 others with them, lived during the third century and came from Italy. Alphaeus, Philadelphus and Cyprian were sons of a governor in Italy, named Vitalis. They were enlightened by faith in Christ and baptized by St Onesimus.
During this period the emperor Licinius gave orders to seek out Christians and hand them over for torture. The brothers went to Rome together with Onesimus, Erasmus and fourteen other Christians. St Erasmus and the fourteen martyrs were beheaded.