Bible Cross References
That
Genesis 17:19
But God said, "No. Your wife Sarah will bear you a son and you will name him Isaac. I will keep my covenant with him and with his descendants forever. It is an everlasting covenant.
Genesis 21:12
But God said to Abraham, "Don't be worried about the boy and your slave Hagar. Do whatever Sarah tells you, because it is through Isaac that you will have the descendants I have promised.
Romans 9:7
Nor are all of Abraham's descendants the children of God. God said to Abraham, "It is through Isaac that you will have the descendants I promised you."