4:7 Tychicus, a dear brother, faithful minister, and fellow slave in the Lord, will tell you all the news about me.
Colossians 4:10
4:10 Aristarchus, my fellow prisoner, sends you greetings, as does Mark, the cousin of Barnabas (about whom you received instructions; if he comes to you, welcome him).
Colossians 4:14
4:14 Our dear friend Luke the physician and Demas greet you.