In Genesis 25:12-18 we find out that Ishmael had twelve sons, twelve princes. He died at the age of 137 in the presence of all his brethren.
Remember in Genesis 17:20, God told Abraham, “As for Ishmael…I have blessed him, and will make him fruitful, and will multiply him exceedingly. He shall beget twelve princes, and I will make him a great nation.
God word is true. All that He promised for Ishmael took place.