Apostles of the Seventy: Erastus, Olympas, Herodion, Sosipater, Quartus, and Tertius - Troparion & Kontakion
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.