Acts 18:1-11 records Paul's founding of the Corinthian church, the recipients of this letter.

1 Thessalonians 1:1 lists Timothy as co-sender with Paul and Silvanus, another example of his role as coworker in epistles.

Romans 16:21 calls Timothy Paul's 'fellow worker,' reinforcing the partnership implied by 'our brother' in this verse.

In 1 Corinthians 1:1, Paul similarly introduces himself as an apostle to the Corinthian church — the same greeting formula used here.

1 Corinthians 1:2 is addressed to the same Corinthian church, showing Paul wrote multiple letters to them.

Colossians 1:1 uses the exact phrase 'Timothy our brother' as co-sender, matching the wording of this verse.

Philippians 2:19-22 commends Timothy's proven worth and service with Paul, deepening the understanding of his role as co-sender.

Acts 16:1 introduces Timothy's background as a disciple in Lystra, providing the origin of the Timothy called 'our brother' here.

Philippians 1:1 also begins with 'Paul and Timothy, servants of Christ Jesus,' directly mirroring the joint authorship here.

Philemon 1:1 also has Paul and Timothy as co-senders, reinforcing Timothy's consistent partnership with Paul in ministry.

Acts 20:4 lists Timothy among Paul's companions, confirming the Timothy co-sending this letter. Provides historical context for his role.

Ephesians 1:1 opens with the same phrase 'apostle of Christ Jesus by the will of God', a parallel self-identification.

1 Corinthians 16:15 names Stephanas' household as first converts in Achaia, the same region Paul writes to here. Provides background on Achaian believers.

1 Corinthians 16:10 describes Timothy doing the Lord's work and needing welcome, illustrating his cooperative role with Paul.

In Romans 1:1-5, Paul elaborates on his apostolic calling and the gospel — the same office he claims here 'by the will of God'.

2 Thessalonians 1:1 also names Timothy as co-sender, showing Paul's consistent partnership with him in letter openings.

In 1 Timothy 1:1, Paul similarly opens with apostolic authority, but Timothy is the recipient rather than co-sender, showing different roles.

In 2 Timothy 1:1, Paul again identifies himself as an apostle, addressing Timothy as his beloved child, contrasting with co-sender status here.

Acts 18:12 places Gallio as proconsul of Achaia, providing historical context for the region addressed.

Hebrews 13:23 mentions Timothy's release from prison, providing background on the same co-sender named in 2 Corinthians 1:1.