Acts 12:25
Barnabas and Saul returned to Jerusalem, when they had fulfilled their service, also taking with them John whose surname was Mark.
Acts 12:12
Thinking about that, he came to the house of Mary, the mother of John whose surname was Mark, where many were gathered together and were praying.
Acts 4:36
Joses, who by the apostles was surnamed Barnabas (which is, being interpreted, Son of Encouragement), a Levite, a man of Cyprus by race,
Acts 11:29-30
As any of the disciples had plenty, each determined to send relief to the brothers who lived in Judea;
Acts 13:1-52
Now in the assembly that was at Antioch there were some prophets and teachers: Barnabas, Simeon who was called Niger, Lucius of Cyrene, Manaen the foster brother of Herod the tetrarch, and Saul.
Acts 15:37
Barnabas planned to take John, who was called Mark, with them also.
1 Peter 5:13
She who is in Babylon, chosen together with you, greets you; and so does Mark, my son.