Read Deuteronomy 10:22 Using Other Translations
Thy fathers went down into Egypt with threescore and ten persons; and now the LORD thy God hath made thee as the stars of heaven for multitude.
Your fathers went down to Egypt seventy persons, and now the LORD your God has made you as numerous as the stars of heaven.
When your ancestors went down into Egypt, there were only seventy of them. But now the LORD your God has made you as numerous as the stars in the sky!