Galatians 2:3 immediately follows, revealing that Titus, who accompanied them, was not compelled to be circumcised.

Galatians 1:18 describes Paul's first visit to Jerusalem after conversion; Galatians 2:1 refers to a later visit, continuing the timeline.

In Galatians 1:16, Paul's divine commission to preach to Gentiles is revealed — the same gospel he later presents in Jerusalem.

Acts 15:2-4 describes the Jerusalem Council — likely the same visit Paul refers to, adding narrative context for the dispute over Gentile circumcision.

Acts 15:1 sets up the controversy over circumcision that prompted Paul's journey to Jerusalem with Barnabas and Titus.

Acts 11:30 mentions Barnabas and Saul bringing famine relief to Jerusalem — possibly a different visit from the one Paul describes.

Acts 12:25 records Barnabas and Saul returning from Jerusalem after their service — could be the same famine relief visit, but no mention of Titus.

Acts 15:36-39 describes the later disagreement between Paul and Barnabas over John Mark, showing their partnership eventually ended.

2 Corinthians 2:13 expresses Paul's distress at not finding Titus in Troas, showing his reliance on him.

2 Corinthians 8:23 calls Titus Paul's partner and fellow worker, reinforcing his trusted status.

Titus 1:4 addresses Titus as Paul's true child in faith, indicating a close spiritual relationship.

Acts 4:36 introduces Barnabas as a Levite from Cyprus, giving background on Paul's companion mentioned here.

1 Corinthians 9:6 pairs Barnabas with Paul as fellow workers who had to support themselves, highlighting Barnabas's role as a co-laborer.

2 Corinthians 8:16 shows Titus later became a trusted envoy with earnest care for the Corinthians.

Colossians 4:10 identifies Mark as Barnabas's cousin, providing family background for the companion mentioned with Paul.