2 Corinthians 2:13
I had no rest in my spirit, because I found not Titus my brother: but taking my leave of them, I went from there into Macedonia.
Nave's Topical Index—AKJV

2 Corinthians 7:6,7,13,14
Nevertheless God, that comforts those that are cast down, comforted us by the coming of Titus;
Nave's Topical Index—AKJV

2 Corinthians 8:23
Whether any do inquire of Titus, he is my partner and fellow helper concerning you: or our brothers be inquired of, they are the messengers of the churches, and the glory of Christ.
Nave's Topical Index—AKJV

Titus 1:4
To Titus, my own son after the common faith: Grace, mercy, and peace, from God the Father and the Lord Jesus Christ our Savior.
Nave's Topical Index—AKJV