Acts 12:24,25

But the word of God grew and multiplied Became more successful; and in every place where it was preached, the number of disciples was considerably multiplied, and their faith greatly established. So that, after all the opposition of its enemies, who had endeavoured to extirpate it, the progress of Christianity was apparently promoted by the concurrence of the extraordinary events recorded in this chapter, namely, the deliverance of Peter, and the death of Herod, that cruel persecutor, under such heavy tokens of divine vengeance. And Barnabas and Saul returned Namely, to Antioch, after a short abode at Jerusalem; when they had fulfilled their ministry Had faithfully performed the charge committed to them: see Acts 11:30; and took with them John, surnamed Mark The son of Mary, (at whose house the disciples met to pray for Peter,) who was sister to Barnabas.