Nehemiah 13:24
Furthermore, their children spoke half of the time in the language of Ashdod, and could not speak in the language of Judah. Instead, they spoke in the languages of various nations.
Zephaniah 3:9
Indeed, then I will return my people to a pure language so that they all may call upon the name of the LORD, serving him with a united will.
Treasury of Scripture Knowledge
Summary
And their children spake half in the speech of Ashdod, and could not speak in the Jews' language, but according to the language of each people.
Each people
General references
Bible References
Each people
Zephaniah 3:9
Indeed, then I will return my people to a pure language so that they all may call upon the name of the LORD, serving him with a united will.
General references
Deuteronomy 7:3
You are not to intermarry with them. You are not to give your daughters to their sons nor take their daughters for your sons,
Judges 3:6
taking their daughters as wives for themselves, giving their own daughters to their sons, and serving their gods.