Galatians 4:28

Now we, brothers, as Isaac was, are the children of the undertaking of God.

Galatians 3:29

And if you are Christ's, then you are Abraham's seed, and yours is the heritage by the right of God's undertaking given to Abraham.

Galatians 4:23

Now the son by the servant-woman has his birth after the flesh; but the son by the free woman has his birth through the undertaking of God.

Romans 4:13-18

For God's word, that the earth would be his heritage, was given to Abraham, not through the law, but through the righteousness of faith.

Romans 9:8-9

That is, it is not the children of the flesh, but the children of God's undertaking, who are named as the seed.

Acts 3:25

You are the sons of the prophets, and of the agreement which God made with your fathers, saying to Abraham, Through your seed a blessing will come on all the families of the earth.

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