Romans 4:11-12
And he received the sign of circumcision, as a seal of the righteousness of the faith that he had while he was uncircumcised, in order that he might be the father of all that believe, even in a state of uncircumcision, so that righteousness might be counted to them also;
Matthew 22:32
I am the God of Abraham, and the God of Isaac, and the God of Jacob? God is not the God of the dead, but of the living.
Romans 11:25
For I do not wish you, brethren, to be ignorant of this mystery lest you be wise in your own conceit that blindness has happened to Israel in part, till the full number of the Gen tiles shall have come in.
Galatians 3:29
And if you are Christ s, then you are Abraham's posterity, and heirs according to the promise.