Acts 12:25
When Barnabas and Saul had carried out their mission, they returned to Jerusalem, and took with them John, who was also known as Mark.
Acts 12:12
As soon as he realized what had happened, he went to the house of Mary, the mother of John who was also known as Mark, where a number of people were gathered together, praying.
Acts 4:36
A Levite of Cyprian birth, named Joseph, (who had received from the Apostles the additional name of 'Barnabas'--which means 'The Consoler,')
Acts 11:29-30
So the disciples, without exception, determined, in proportion to their means, to send something to help the Brethren living in Judea.
Acts 13:1-52
Among the members of the Church at Antioch there were several Prophets and Teachers--Barnabas, Simeon who was known by the name of 'Black', Lucius of Cyrene, Manaen, foster-brother of Prince Herod, and Saul.
Acts 15:37
Barnabas wished to take with them John, whose other name was Mark;
1 Peter 5:13
Your sister-Church in 'Babylon' sends you greeting, and so does Mark, who is as a son to me.