Romans 4:16

So it is conditioned on faith, that it might be in accordance with God's unmerited favor, so that the promise might be in force for all the descendants of Abraham, not only for those who belong to the law party but also for those who belong to the faith group of Abraham. He is the father of us all,

Romans 9:8

That is, it is not Abraham's natural descendants who are God's children, but those who are made children by the promise are counted his true descendants.

Romans 15:8

Yes, I mean that Christ has become a servant to Israel to prove God's truthfulness, to make valid His promises to our forefathers,

Galatians 3:22

But the Scripture pictures all mankind as prisoners of sin, so that the promised blessing through faith in Christ might be given to those who have faith.

Romans 3:24-26

but anybody may have right standing with God as a free gift of His undeserved favor, through the ransom provided in Christ Jesus.

Romans 4:11

Afterward he received the mark of circumcision as God's seal of his right standing with Him on condition of faith which he had before he was circumcised, that he might be the forefather of all who have faith while still uncircumcised, that they might have their faith credited to them as right standing with God;

Romans 5:1

Since we have been given right standing with God through faith, then let us continue enjoying peace with God through our Lord Jesus Christ,

Galatians 3:7-12

So you see, it is the men of faith who are the real descendants of Abraham.

Ephesians 2:5

has made us, though dead because of our shortcomings, live again in fellowship with Christ -- it is by His unmerited favor that you have been saved.

Ephesians 2:8

For it is by His unmerited favor through faith that you have been saved; it is not by anything that you have done, it is the gift of God.

Titus 3:7

so that we might come into right standing with God through His unmerited favor and become heirs of eternal life in accordance with our hope.

Hebrews 6:13-19

For when God made His promise to Abraham, He took an oath by Himself, since He had no one greater by whom He could take it,

2 Peter 1:10

Therefore, brothers, be all the more in earnest to make certain to yourselves God's call and choice of you. For if you cultivate these qualities, you will never slip,

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
but anybody may have right standing with God as a free gift of His undeserved favor, through the ransom provided in Christ Jesus.
Romans 5:1
Since we have been given right standing with God through faith, then let us continue enjoying peace with God through our Lord Jesus Christ,
Galatians 3:7
So you see, it is the men of faith who are the real descendants of Abraham.
Ephesians 2:5
has made us, though dead because of our shortcomings, live again in fellowship with Christ -- it is by His unmerited favor that you have been saved.
Titus 3:7
so that we might come into right standing with God through His unmerited favor and become heirs of eternal life in accordance with our hope.

The promise

Hebrews 6:13
For when God made His promise to Abraham, He took an oath by Himself, since He had no one greater by whom He could take it,
2 Peter 1:10
Therefore, brothers, be all the more in earnest to make certain to yourselves God's call and choice of you. For if you cultivate these qualities, you will never slip,

But to

Romans 4:11
Afterward he received the mark of circumcision as God's seal of his right standing with Him on condition of faith which he had before he was circumcised, that he might be the forefather of all who have faith while still uncircumcised, that they might have their faith credited to them as right standing with God;

The father

Romans 9:8
That is, it is not Abraham's natural descendants who are God's children, but those who are made children by the promise are counted his true descendants.

General references

Luke 10:26
And He answered him, "What is written in the law? How does it read?"
Galatians 3:9
So the men of faith are blessed as partners with trusting Abraham.
Galatians 4:28
Now we, brothers, like Isaac, are children born to fulfill the promise.