Holy Martyrs Processus and Martinian, jailers of Rome converted by the Apostles Peter and Paul.
Processus and Martinian were, according to tradition, guards of the Mamertine prison in Rome who came to faith through the preaching of the Apostles Peter and Paul, whom they held in custody. They were baptized by the apostles.
For this they themselves were arrested and beheaded in the persecution of Nero.
Feast day
On the New Calendar, Processus and Martinian is commemorated on April 11. Churches on the Old (Julian) Calendar keep the feast on April 24 of the civil calendar.
Also commemorated on April 11

Tryphaena and Matrona
Holy Woman, Τρυφαίνη και Ματρώνα
Venerable Tryphaena and Matrona, holy women commemorated together in the Greek synaxaria.
Pharmuthios the Anchorite
Venerable, Φαρμούθιος
Venerable Pharmuthios, anchorite of Egypt, who fed Saint John of the Well.
George of the Chrysostom Monastery
Venerable, Γεώργιος ο εν Κύπρω
Venerable George, founder of the Monastery of Saint John Chrysostom at Koutsovendis in Cyprus.
Barsanuphius of Tver
Hierarch, Βαρσανούφιος Τβερ
Saint Barsanuphius, Bishop of Tver, former captive of the Tatars and founder of a monastery in Kazan.
Callinicus of Cernica
Hierarch, Καλλίνικος ο εκ Ρουμανίας
Saint Callinicus of Cernica, Bishop of Ramnic, ascetic and builder of churches in Romania.