Romans 4:16

Therefore the inheritance was made to depend on faith, that it might be a matter of grace; that the promise might be sure to all the offspring, not to that only which is under the Law, but to that also which hath the faith of Abraham, who is the father of us all

Romans 9:8

That is, not the children by natural descent are children of God, but the children to whom the promise is made are accounted as the offspring.

Romans 15:8

For I say that Christ became a minister to the circumcised for the sake of Gods truth, in order to make sure the promises given to the fathers;

Galatians 3:22

but the Scripture shut up all under sin, that the blessing promised through faith in Jesus Christ might be given to those who believe.

Romans 3:24-26

being accepted as righteous freely, by his grace, through the redemption that is in Christ Jesus,

Romans 4:11

And he received the outward sign of circumcision as a seal of the righteousness of the faith which he had while he was uncircumcised; that he might be the father of all the uncircumcised who have faith, so that righteousness might be put to their account also;

Romans 5:1

Therefore being accepted as righteous through faith, we have peace with God through our Lord Jesus Christ;

Galatians 3:7-12

Know then that they who have faith, these are the sons of Abraham.

Ephesians 2:5

even when dead through our trespasses, life with Christ,by grace have ye been saved,

Ephesians 2:8

For by grace ye have been saved, through faith; and this is not of yourselves; it is the gift of God;

Titus 3:7

that having been accepted as righteous by his grace, we might become heirs according to the hope of everlasting life.

Hebrews 6:13-19

For when God made a promise to Abraham, since he could swear by no greater, he swore by himself,

2 Peter 1:10

Wherefore the rather, brethren, give diligence to make your calling and election sure; for if ye do these things, ye will never fall.

Treasury of Scripture Knowledge

Summary

Therefore it is of faith, that it might be by grace; to the end the promise might be sure to all the seed; not to that only which is of the law, but to that also which is of the faith of Abraham; who is the father of us all,

But to

The father

Bible References

Of faith

Romans 3:24
being accepted as righteous freely, by his grace, through the redemption that is in Christ Jesus,
Romans 5:1
Therefore being accepted as righteous through faith, we have peace with God through our Lord Jesus Christ;
Galatians 3:7
Know then that they who have faith, these are the sons of Abraham.
Ephesians 2:5
even when dead through our trespasses, life with Christ,by grace have ye been saved,
Titus 3:7
that having been accepted as righteous by his grace, we might become heirs according to the hope of everlasting life.

The promise

Hebrews 6:13
For when God made a promise to Abraham, since he could swear by no greater, he swore by himself,
2 Peter 1:10
Wherefore the rather, brethren, give diligence to make your calling and election sure; for if ye do these things, ye will never fall.

But to

Romans 4:11
And he received the outward sign of circumcision as a seal of the righteousness of the faith which he had while he was uncircumcised; that he might be the father of all the uncircumcised who have faith, so that righteousness might be put to their account also;

The father

Romans 9:8
That is, not the children by natural descent are children of God, but the children to whom the promise is made are accounted as the offspring.

General references

Luke 10:26
And he said to him, What is written in the Law? How readest thou?
Galatians 3:9
So then they who have faith are blessed with believing Abraham.
Galatians 4:28
But ye, brethren, as Isaac was, are children of a promise.