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And the whole earth was of one language, and of one speech. Genesis 11:1And the LORD said, Behold, the people is one, and they have all one language. Go to, let us go down, and there confound their language, that they may not understand one another's speech. Therefore is the name of it called Babel; because the LORD did there confound the language of all the earth. Genesis 11:6-9
By these were the isles of the Gentiles divided in their lands, every one after his tongue. Genesis 10:5These are the sons of Ham, after their families, after their tongues. Genesis 10:20
These are the sons of Shem, after their families, after their tongues. Genesis 10:31