But God said, “No, but your wife Sarah will bear you a son, and you shall name him Isaac; and I will establish My covenant with him as an everlasting covenant for his descendants after him.
He said, “I will certainly return to you at this time next year; and behold, your wife Sarah will have a son.” And Sarah was listening at the tent door, which was behind him.
And He gave him the covenant of circumcision; and so Abraham fathered Isaac, and circumcised him on the eighth day; and Isaac fathered Jacob, and Jacob, the twelve patriarchs.
Then I took your father Abraham from beyond the Euphrates River and led him through all the land of Canaan, and multiplied his descendants and gave him Isaac.