NET
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).
Darby
10 Aristarchus my fellow-captive salutes you, and Mark, Barnabas's cousin, concerning whom ye have received orders, (if he come to you, receive him,)
KJV
10 Aristarchus my fellowprisoner saluteth you, and Marcus, sister's son to Barnabas, (touching whom ye received commandments: if he come unto you, receive him;)