'Nations' in the Bible

(as it is written, “A father of many nations have I made you”) in the presence of Him whom he believed, even God, who gives life to the dead and calls into being that which does not exist.

In hope against hope he believed, so that he might become a father of many nations according to that which had been spoken, “So shall your descendants be.”

but now is manifested, and by the Scriptures of the prophets, according to the commandment of the eternal God, has been made known to all the nations, leading to obedience of faith;