Acts 22:26-29

When the centurion heard this, he went to the commander and said to him, “What are you about to do? This man is a Roman!” So the commander came and asked Paul, “Tell me, are you a Roman?” And he said, “Yes.” The commander replied, “I purchased this citizenship [of mine] for a large sum of money [so how did you acquire yours?].” Paul said, “But I was actually born a citizen.” So those who were about to interrogate him by torture immediately let him go; and the commander was also afraid when he realized that Paul was a Roman and he had put him in chains.