“When Barnabas and Saul had fulfilled their mission to Jerusalem, they returned, bringing with them John, also called Mark.”
Acts 12:25 (BSB)
Context Reading
23Immediately, because Herod did not give glory to God, an angel of the Lord struck him down, and he was eaten by worms and died. 24But the word of God continued to spread and multiply. 25When Barnabas and Saul had fulfilled their mission to Jerusalem, they returned, bringing with them John, also called Mark.