17 I am glad of the coming of Stephanas and Fortunatus and Achaicus: for that which was lacking on your part they have supplied.
[AD 407] John Chrysostom on 1 Corinthians 16:17
"But I was glad of the coming of Stephanas and Fortunatus and Achaicus, for that which was lacking on your part they supplied."

[AD 458] Theodoret of Cyrus on 1 Corinthians 16:17
These are the people who took Paul’s letter to Corinth, and they are also the ones who had brought the Corinthians’ letter about marriage to him. Paul wrote the letter when he was at Philippi.