27 We have sent therefore Judas and Silas, who themselves will also tell you the same things by word of mouth.
Acts 15:27 Cross References - WEB
Acts 15:22
22 Then it seemed good to the apostles and the elders, with the whole assembly, to choose men out of their company, and send them to Antioch with Paul and Barnabas: Judas called Barsabbas, and Silas, chief men among the brothers.
Acts 15:32
32 Judas and Silas, also being prophets themselves, encouraged the brothers with many words and strengthened them.