The holy Apostles Tertius (October 30) Erastus, Sosipater (April 28), and Quartus were disciples of Saint Paul. Saint Tertius is mentioned in the Epistle to the Romans, “ I, Tertius, who wrote this epistle, salute you in the Lord” (Rom 16:22).
Saint Tertius, to whom Saint Paul dictated the Epistle to the Romans, was the second Bishop of Iconium, where also he died.
Troparion — Tone 3
Holy Apostles, Erastus, Olympas, Herodion, Sosipater, Quartus and Tertius, / entreat the merciful God, / to grant our souls forgiveness of transgressions.
Kontakion — Tone 2
Illumined by divine light, O holy apostles, / you wisely destroyed the works of idolatry. / When you caught all the pagans you brought them to the Master / and taught them to glorify the Trinity.