Romans 4:16

Because of this, [it is] by faith, in order that [it may be] according to grace, so that the promise may be secure to all the descendants, not only to those of the law, but also to those of the faith of Abraham, who is the father of us all

Romans 9:8

That is, [it is] not the children {by human descent} [who are] children of God, but the children of the promise are counted as descendants.

Romans 15:8

For I say, Christ has become a servant of the circumcision on behalf of the truth of God, in order to confirm the promises to the fathers,

Galatians 3:22

But the scripture imprisoned all under sin, in order that the promise could be given by faith in Jesus Christ to those who believe.

Isaiah 51:2

Look to Abraham your father, and to Sarah; she brought you forth. For I called him {alone}, but I blessed him and made him numerous."

Romans 3:24-26

being justified as a gift by his grace, through the redemption which is in Christ Jesus,

Romans 4:11

And he received the sign of circumcision [as] a seal of the righteousness by faith which [he had] {while uncircumcised}, so that he could be the father of all who believe {although they are uncircumcised}, so that righteousness could be credited to them,

Romans 5:1

Therefore, [because we] have been declared righteous by faith, we have peace with God through our Lord Jesus Christ,

Galatians 3:7-12

then understand that the ones {who have faith}, these are sons of Abraham.

Ephesians 2:5

and we being dead in trespasses, he made [us] alive together with Christ (by grace you are saved),

Ephesians 2:8

For by grace you are saved through faith, and this [is] not from yourselves, [it is] the gift of God;

Titus 3:7

so that, having been justified by his grace, we may become heirs according to the hope of eternal life.

Hebrews 6:13-19

For [when] God made a promise to Abraham, since he had no one greater to swear by, he swore by himself,

2 Peter 1:10

Therefore, brothers, be zealous even more to make your calling and election secure, because [if you] do these [things], you will never ever stumble.

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 as a gift by his grace, through the redemption which is in Christ Jesus,
Romans 5:1
Therefore, [because we] have been declared righteous by faith, we have peace with God through our Lord Jesus Christ,
Galatians 3:7
then understand that the ones {who have faith}, these are sons of Abraham.
Ephesians 2:5
and we being dead in trespasses, he made [us] alive together with Christ (by grace you are saved),
Titus 3:7
so that, having been justified by his grace, we may become heirs according to the hope of eternal life.

The promise

Hebrews 6:13
For [when] God made a promise to Abraham, since he had no one greater to swear by, he swore by himself,
2 Peter 1:10
Therefore, brothers, be zealous even more to make your calling and election secure, because [if you] do these [things], you will never ever stumble.

But to

Romans 4:11
And he received the sign of circumcision [as] a seal of the righteousness by faith which [he had] {while uncircumcised}, so that he could be the father of all who believe {although they are uncircumcised}, so that righteousness could be credited to them,

The father

Romans 9:8
That is, [it is] not the children {by human descent} [who are] children of God, but the children of the promise are counted as descendants.
Isaiah 51:2
Look to Abraham your father, and to Sarah; she brought you forth. For I called him {alone}, but I blessed him and made him numerous."

General references

Genesis 13:16
I will make your descendants like the dust of the earth which, if anyone were able to count the dust of the earth, your descendants would be [so] counted.
Luke 10:26
And he said to him, "What is written in the law? How do you read [it]?"
Galatians 3:9
So then, the ones [who have] faith are blessed together with Abraham who believed.
Galatians 4:28
But you, brothers, are children of the promise, just as Isaac.