Acts 15:22

15:22 Then the apostles and elders, with the whole church, decided to send men chosen from among them, Judas called Barsabbas and Silas, leaders among the brothers, to Antioch with Paul and Barnabas.

Acts 15:32

15:32 Both Judas and Silas, who were prophets themselves, encouraged and strengthened the brothers with a long speech.