Treasury of Scripture Knowledge
And when he had considered the thing, he came to the house of Mary the mother of John, whose surname was Mark; where many were gathered together praying.
As soon as they were discharg'd, they went to their brethren, and reported all that the chief priests and senators had said to them:
then they quitted the prison, and went to Lydia's house, where finding the brethren, they gave them an exhortation, and departed.
and Saul had executed their commission, they return'd to Jerusalem, and took with them John who was surnam'd Mark.
when they were arrived at Salamis, they preach'd the word of God in the synagogues of the Jews, and had John for their assistant.
upon which Barnabas propos'd to take John surnam'd Mark, with them.
Aristarchus my companion in bonds salutes you. and so does Mark, nephew to Barnabas, for whom you have receiv'd recommendations. if he come to you, give him a kind reception.
2 Timothy 4:11
only Luke is with me. take Mark and bring him with you; because he will be useful to me in the ministry.
Aristarchus, Demas, Luke, my fellow-labourers, salute you.
thus Peter was kept in prison, but the Church prayed to God, without ceasing, for him,
I assure you, that if two of you shall live in agreement together, whatever they ask shall be granted to them by my heavenly father.
1 John 5:14
Besides, we have this confidence in him, that if we ask any thing according to his will, he will hear us.