Acts 12:25
When Barnabas and Saul had fulfilled their mission, they returned from Jerusalem, bringing with them John who was also called Mark.
Acts 12:12
When Peter realized what had happened, he went to the house of Mary, the mother of John who was also called Mark, where a large number of people had gathered and were praying.
Acts 4:36
One man, Joseph, a descendant of Levi and a native of Cyprus, who was named Barnabas by the apostles (the name means "a son of encouragement"),
Acts 11:29-30
So all of the disciples decided they would send a contribution to the brothers living in Judea, as they were able,
Acts 13:1-52
Now Barnabas, Simeon called Niger, Lucius from Cyrene, Manaen, who grew up with Herod the tetrarch, and Saul were prophets and teachers in the church at Antioch.
Acts 15:37
Barnabas wanted to take along John, who was called Mark,
1 Peter 5:13
Your sister church in Babylon, chosen along with you, sends you greetings, as does Mark, whom I regard as a son.