Colossians 4:8-10

I have sent him to you for this very purpose, that you may know how we are and that he may encourage your hearts, and with him Onesimus, our faithful and beloved brother, who is one of you. They will tell you of everything that has taken place here. Aristarchus my fellow prisoner greets you, and Mark the cousin of Barnabas (concerning whom you have received instructions—if he comes to you, welcome him)