Original Verse:
Acts Chapter 13 Verse 5When they were at Salamis, they proclaimed the word of God in the Jewish synagogues. They had also John as their attendant.

Reference Verses:
Acts Chapter 9 Verse 20Immediately in the synagogues he proclaimed the Christ, that he is the Son of God.
Acts Chapter 12 Verse 12Thinking about that, he came to the house of Mary, the mother of John whose surname was Mark, where many were gathered together and were praying.
Acts Chapter 12 Verse 25Barnabas and Saul returned to Jerusalem, when they had fulfilled their service, also taking with them John whose surname was Mark.
Acts Chapter 13 Verse 13Now Paul and his company set sail from Paphos, and came to Perga in Pamphylia. John departed from them and returned to Jerusalem.
Acts Chapter 15 Verse 39Then the contention grew so sharp that they separated from each other. Barnabas took Mark with him, and sailed away to Cyprus,
Acts Chapter 13 Verse 14But they, passing on from Perga, came to Antioch of Pisidia. They went into the synagogue on the Sabbath day, and sat down.
Acts Chapter 15 Verse 37Barnabas planned to take John, who was called Mark, with them also.
Acts Chapter 19 Verse 8He entered into the synagogue, and spoke boldly for a period of three months, reasoning and persuading about the things concerning the Kingdom of God.
Acts Chapter 19 Verse 22Having sent into Macedonia two of those who served him, Timothy and Erastus, he himself stayed in Asia for a while.
Acts Chapter 19 Verse 29The whole city was filled with confusion, and they rushed with one accord into the theater, having seized Gaius and Aristarchus, men of Macedonia, Paul's companions in travel.
Acts Chapter 20 Verse 34You yourselves know that these hands served my necessities, and those who were with me.