Bede

And those who came up from Thelmela, etc. In this place, even according to the letter, the grace of God, by which also in the Old Testament the Gentiles were received into salvation, is shown. While a catalogue of those who clearly belonged to the people of God has been listed, some of those whose origins whether from Israel or from proselytes were unknown, are also included, and their number is mentioned among the children of Israel. …

Commentary on Ezra and Nehemiah ↗