I have begotten you — This excludes not only Apollos, his successor, but also Silas and Timothy, his companions; and the relation between a spiritual father and his children brings with it an inexpressible nearness and affection.
Related Commentaries of 1 Corinthians 4:15
1 Corinthians 4:15
15 For though ye have ten thousand instructors in Christ, yet have ye not many fathers: for in Christ Jesus I have begotten you through the gospel.