Romans 4:16

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,

Romans 9:8

That is, They which are the children of the flesh, these are not the children of God: but the children of the promise are counted for the seed.

Romans 15:8

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

Galatians 3:22

But the scripture hath concluded all under sin, that the promise by faith of Jesus Christ might be given to them that believe.

Isaiah 51:2

Look unto Abraham your father, and unto Sarah that bare you: for I called him alone, and blessed him, and increased him.

Romans 3:24-26

Being justified freely by his grace through the redemption that is in Christ Jesus:

Romans 4:11

And he received the sign of circumcision, a seal of the righteousness of the faith which he had yet being uncircumcised: that he might be the father of all them that believe, though they be not circumcised; that righteousness might be imputed unto them also:

Romans 5:1

Therefore being justified by faith, we have peace with God through our Lord Jesus Christ:

Galatians 3:7-12

Know ye therefore that they which are of faith, the same are the children of Abraham.

Ephesians 2:5

Even when we were dead in sins, hath quickened us together with Christ, (by 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 made promise to Abraham, because he could swear by no greater, he sware 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 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 Christ Jesus:
Romans 5:1
Therefore being justified by faith, we have peace with God through our Lord Jesus Christ:
Galatians 3:7
Know ye therefore that they which are of faith, the same are the children of Abraham.
Ephesians 2:5
Even when we were dead in sins, hath quickened us together with Christ, (by 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 made promise to Abraham, because he could swear by no greater, he sware 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 shall never fall:

But to

Romans 4:11
And he received the sign of circumcision, a seal of the righteousness of the faith which he had yet being uncircumcised: that he might be the father of all them that believe, though they be not circumcised; that righteousness might be imputed unto them also:

The father

Romans 9:8
That is, They which are the children of the flesh, these are not the children of God: but the children of the promise are counted for the seed.
Isaiah 51:2
Look unto Abraham your father, and unto Sarah that bare you: for I called him alone, and blessed him, and increased him.

General references

Genesis 13:16
And I will make thy seed as the dust of the earth: so that if a man can 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 they which be of faith are blessed with faithful Abraham.
Galatians 4:28
Now we, brethren, as Isaac was, are the children of promise.

King James Version Public Domain