Thematic Bible: Birth of a son

Then Abram said, "O Yahweh, my Lord, what will you give me? {I continue to be} childless, and {my heir} is Eliezer of Damascus." And Abram said, "Look, you have not given me a descendant, and here, {a member of my household} [is] {my heir}." And behold, the word of Yahweh [came] to him saying, "This [person] will not {be your heir}, but {your own son will be your heir}." read more.
And he brought him outside and said, "Look toward the heavens and count the stars if you are able to count them." And he said to him, "So shall your offspring be."