Genesis 17:8-9

17:8 I will give the whole land of Canaan – the land where you are now residing – to you and your descendants after you as a permanent possession. I will be their God.”

17:9 Then God said to Abraham, “As for you, you must keep the covenantal requirement I am imposing on you and your descendants after you throughout their generations.

Genesis 17:2

17:2 Then I will confirm my covenant between me and you, and I will give you a multitude of descendants.”

Genesis 20:7

20:7 But now give back the man’s wife. Indeed he is a prophet and he will pray for you; thus you will live. But if you don’t give her back, know that you will surely die along with all who belong to you.”

Matthew 3:9

3:9 and don’t think you can say to yourselves, ‘We have Abraham as our father.’ For I tell you that God can raise up children for Abraham from these stones!

John 8:33-39

8:33 “We are descendants of Abraham,” they replied, “and have never been anyone’s slaves! How can you say, ‘You will become free’?” 8:34 Jesus answered them, “I tell you the solemn truth, everyone who practices sin is a slave of sin. 8:35 The slave does not remain in the family forever, but the son remains forever. 8:36 So if the son sets you free, you will be really free. 8:37 I know that you are Abraham’s descendants. But you want to kill me, because my teaching makes no progress among you. 8:38 I am telling you the things I have seen while with the Father; as for you, practice the things you have heard from the Father!”

8:39 They answered him, “Abraham is our father!” Jesus replied, “If you are Abraham’s children, you would be doing the deeds of Abraham.

Romans 4:13-18

4:13 For the promise to Abraham or to his descendants that he would inherit the world was not fulfilled through the law, but through the righteousness that comes by faith. 4:14 For if they become heirs by the law, faith is empty and the promise is nullified. 4:15 For the law brings wrath, because where there is no law there is no transgression either. 4:16 For this reason it is by faith so that it may be by grace, with the result that the promise may be certain to all the descendants – not only to those who are under the law, but also to those who have the faith of Abraham, who is the father of us all 4:17 (as it is written, “I have made you the father of many nations”). He is our father in the presence of God whom he believed – the God who makes the dead alive and summons the things that do not yet exist as though they already do. 4:18 Against hope Abraham believed in hope with the result that he became the father of many nations according to the pronouncement,so will your descendants be.”