Parallel
Philemon 1:12
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
σὺ δὲ αὐτόν, τοῦτ’ ἔστιν τὰ ἐμὰ σπλάγχνα, προσλαβοῦ·
I am sending back to you him who is my very heart.