Romans 4:11-12
And he received the symbol of circumcision, a seal of the righteousness of the faith which was in uncircumcision, so that he became the father of all that believe in uncircumcision, that righteousness may also be accounted to them,
Matthew 22:32
I am the God of Abraham, and the God of Isaac, and the God of Jacob? God is not a God of the dead, but of the living.
Romans 11:25
For I wish you not to be ignorant, brothers, of this mystery; that you may not be wise in your own conceit. For hardness in part has come upon Israel, till the fullness of the gentiles shall come in,
Galatians 3:29
And if you are of Christ, then are you Abraham's children and heirs according to the promise.