Thematic Bible: Who became a great nation

As for Ishmael, I have heard and listened to you; behold, I will bless him, and will make him fruitful and will greatly multiply him [through his descendants]. He will be the father of twelve princes (chieftains, sheiks), and I will make him a great nation. Verse ConceptsAbraham, Family And DescendantsThe Number TwelveAbraham, Testing And VictoryAnswered PrayerProsperity PromisedGod Multipling PeopleTwelve BeingsBlessed By GodGod Paid Attention To MeSons Being A Blessingfruitfulness

And the child grew and was weaned, and Abraham made a great feast the same day that Isaac was weaned. Now Sarah saw the son of Hagar the Egyptian, whom she had borne to Abraham, mocking [Isaac]. Therefore she said to Abraham, Cast out this bondwoman and her son, for the son of this bondwoman shall not be an heir with my son Isaac. read more.
And the thing was very grievous (serious, evil) in Abraham's sight on account of his son [Ishmael]. God said to Abraham, Do not let it seem grievous and evil to you because of the youth and your bondwoman; in all that Sarah has said to you, do what she asks, for in Isaac shall your posterity be called. And I will make a nation of the son of the bondwoman also, because he is your offspring.