When he realized what had happened, he went to the house of Mary the mother of John, who was also called Mark, where many [believers] were gathered together and were praying continually [and had been praying all night].

Barnabas and Saul came back from Jerusalem when they had completed their mission, bringing with them John, who was also called Mark.

When Barnabas and Saul arrived at Salamis, they began to preach the word of God [proclaiming the message of eternal salvation through faith in Christ] in the synagogues of the Jews; and they also had John [Mark] as their assistant.

Now Paul and his companions sailed from Paphos and came to Perga in Pamphylia; but John [Mark] left them and went back to Jerusalem.

Now Barnabas wanted to take [his cousin] John, who was called Mark, along with them.

And it became such a sharp disagreement that they separated from one another, and Barnabas took [John] Mark with him and sailed away to Cyprus.