Amplias, Apelles, Stachys, Urban, Aristobulus & Narcissus of the 70
Of these holy Apostles, Stachys became the first Bishop of Byzantium, consecrated by the Apostle Andrew. Having shepherded his people for sixteen years, he reposed in the Lord. As for the others, each one shone forth in the episcopal see appointed to him: Apelles, Bishop of Heraclea; Amplias, Bishop of Odyssopolis; Urban, Bishop of Macedonia; Narcissus, Bishop of Athens; and Aristobulus, Bishop of Britain.
Apolytikion in the Third Tone
O Holy Apostles, intercede to our merciful God, that He may grant our souls forgiveness of sins.
Kontakion in the Plagal of the Fourth Tone
Come, let us duly praise Apelles and famed Aristobulus, the wise Apostles, with Urban, Narcissos and Stachys, and blessed Amplias, as the most sacred treasures of the All-holy Spirit and the far-shining beams of Christ, the Sun of Glory, whom God brought together by His grace.