John Gill Commentary Nehemiah 10:30

"and that we would not give our daughters unto the peoples of the land, nor take their daughters for our sons;" — Nehemiah 10:30 (ASV)

And that we would not give our daughters to the people of
the land, nor take their daughters for our sons
Intermarry with them as they had done, and were prone to do, and even did after this, (Nehemiah 13:23) .