Parallel
Philemon 1:10
Patriarchal Greek New Testament (1904) · Berean Standard Bible
παρακαλῶ σε περὶ τοῦ ἐμοῦ τέκνου, ὃν ἐγέννησα ἐν τοῖς δεσμοῖς μου, Ὀνήσιμον,
I appeal to you for my child Onesimus (note: Onesimus means useful (see verse 11) or beneficial (see verse 20).), whose father I became while I was in chains.