Romans 4:16

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

Romans 9:8

That is, Those who are sons of the flesh, these are not the sons of God; but those who are sons of the promise are counted in the generation.

Romans 15:8

Now I say that Christ Jesus, was a minister of the circumcision, by the truth of God, to confirm the promises made unto the fathers;

Galatians 3:22

But the scripture has concluded all under sin that the promise by faith of Jesus Christ might be given to the believers.

Isaiah 51:2

Look unto Abraham your father and unto Sarah that bore you; for I called him alone and blessed him and multiplied him.

Romans 3:24-26

being justified freely by his grace through the redemption that is in Jesus, the Christ,

Romans 4:11

And he received the circumcision as a sign, as a seal of the righteousness of the faith which he had, yet being uncircumcised, that he might be the father of all the uncircumcised believers, that it might be counted unto them also as righteousness,

Romans 5:1

Justified therefore by faith, we have peace with God through our Lord Jesus, the Christ,

Galatians 3:7-12

Know ye therefore that those who are of faith, the same are the sons of Abraham.

Ephesians 2:5

even as we were dead in sins, he has made us alive together with the Christ (by whose grace ye are saved)

Ephesians 2:8

For by grace are ye saved through faith and that not of yourselves: it is the gift of God,

Titus 3:7

that being justified by his grace, we should be made heirs according to the hope of eternal life.

Hebrews 6:13-19

For when God promised unto Abraham, because he could swear by no greater, he swore by himself,

2 Peter 1:10

Therefore, brethren, give all the more diligence to make your calling and election sure; for doing these things, ye shall 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 justified freely by his grace through the redemption that is in Jesus, the Christ,
Romans 5:1
Justified therefore by faith, we have peace with God through our Lord Jesus, the Christ,
Galatians 3:7
Know ye therefore that those who are of faith, the same are the sons of Abraham.
Ephesians 2:5
even as we were dead in sins, he has made us alive together with the Christ (by whose grace ye are saved)
Titus 3:7
that being justified by his grace, we should be made heirs according to the hope of eternal life.

The promise

Hebrews 6:13
For when God promised unto Abraham, because he could swear by no greater, he swore by himself,
2 Peter 1:10
Therefore, brethren, give all the more diligence to make your calling and election sure; for doing these things, ye shall never fall.

But to

Romans 4:11
And he received the circumcision as a sign, as a seal of the righteousness of the faith which he had, yet being uncircumcised, that he might be the father of all the uncircumcised believers, that it might be counted unto them also as righteousness,

The father

Romans 9:8
That is, Those who are sons of the flesh, these are not the sons of God; but those who are sons of the promise are counted in the generation.
Isaiah 51:2
Look unto Abraham your father and unto Sarah that bore you; for I called him alone and blessed him and multiplied him.

General references

Genesis 13:16
And I will make thy seed as the dust of the earth, so that if someone could number the dust of the earth, then shall thy seed also be numbered.
Luke 10:26
He said unto him, What is written in the law? How readest thou?
Galatians 3:9
So then those who are of faith are blessed with Abraham, the believer.
Galatians 4:28
So that we, brethren, as Isaac was, are the children of promise.