Genesis 17:18

¹⁶And I will bless her, and give thee a son of her, and I will bless him, and he shall become nations, and kings of nations shall be of him.

¹⁷And Abraham fell upon his face, and laughed; and spoke in his heart, saying, Shall there be a child to one who is a hundred years old, and shall Sarah who is ninety years old, bear?

— Genesis 17:18 —

¹⁹And God said to Abraham, Yea, behold, Sarah thy wife shall bear thee a son, and thou shalt call his name Isaac; and I will establish my covenant with him, for an everlasting covenant, to be a God to him and to his seed after him.

²⁰And concerning Ishmael, behold, I have heard thee, and, behold, I have blessed him, and will increase him and multiply him exceedingly; twelve nations shall he beget, and I will make him a great nation.