Holy Martyrs Marcellinus the priest and Peter the exorcist, beheaded at Rome under Diocletian.
Saints Marcellinus, a priest, and Peter, an exorcist, were imprisoned at Rome during the persecution of Diocletian. Tradition relates that they converted their jailer and his household while in prison. They were led out to a wood and beheaded there in secret, and were later greatly honoured in Rome.
Feast day
On the New Calendar, Marcellinus and Peter of Rome is commemorated on June 2. Churches on the Old (Julian) Calendar keep the feast on June 15 of the civil calendar.
Also commemorated on June 2

Nikephoros of Constantinople
Hierarch, Νικηφόρος
Patriarch of Constantinople, defender of icons.
Name days: Nikiforos, Nicephorus
Constantine the New Martyr, former Hagarene
Martyr, Κωνσταντίνος ο εξ Αγαρηνών
New Martyr Constantine of Mytilene, a convert from Islam who confessed Christ and was hanged in Constantinople.
John the New of Trebizond, Great Martyr
Martyr, Ιωάννης ο Νέος ο Τραπεζούντιος
Great Martyr John the New of Trebizond, a merchant martyred at Asprokastro (Cetatea Alba) and later enshrined at Suceava.
Demetrios of Philadelphia, New Martyr
Martyr, Δημήτριος ο Φιλαδελφεύς
New Martyr Demetrios of Philadelphia in Asia Minor, beheaded for Christ in the seventeenth century.
Erasmus of Ochrid
Hierarch, Έρασμος ο Ιερομάρτυρας
Hieromartyr Erasmus, bishop and preacher who enlightened the region of Ochrid and suffered under Diocletian.
Pothinus and the Martyrs of Lyons
Hierarch, Ποθεινός και οι εν Λουγδούνω Μάρτυρες
Hieromartyr Pothinus, Bishop of Lyons, with Blandina, Sanctus, Alcibiades, Vettius Epagathus and the other martyrs of Lyons under Marcus Aurelius.