Who have for my life laid down their own necks: unto whom not only I give thanks, but also all the churches of the Gentiles.
Read Chapter 16
George Leo Haydock
It is not exactly known to what the apostle here refers. Origen thinks that they delivered the apostle from the snares of the Jews. Others, that they exposed themselves for him in the sedition raised at Corinth, or in that at Ephesus, when he was in such danger, on account of the outcry of the silversmiths. The obligations of the Churches of the Gentiles towards them must be understood of the hospitality, which these faithful servants of Christ exercised to all. (Calmet)
Ton eauton trachelon upethekan, a proverbial expression, as in Latin, præbere cervices, caput objicere periculis, to support any thing, or person, that is in a sinking way, or in great danger. ...
Here Paul hints at their hospitality and financial assistance, holding them in admiration because they had both poured forth their blood and had made their whole property available to everybody. Notice how noble were the women Paul named. They were in no way hindered by their sex from following the path of virtue, and this is only to be expected. “For in Christ Jesus there is neither male nor female.” ...