Romans 4:16

That is why all is made to depend upon faith, that all may be God's gift, and in order that the fulfillment of the promise may be made certain for all Abraham's descendants-not only for those who take their stand on the Law, but also for those who take their stand on the faith of Abraham. (He is the Father of us all;

Romans 9:8

This means that it is not the children born in the course of nature who are God's Children, but it is the children born in fulfillment of the Promise who are to be regarded as Abraham's descendants.

Romans 15:8

For I tell you that Christ, in vindication of God's truthfulness, has become a minister of the Covenant of Circumcision, so that he may fulfil the promises made to our ancestors,

Galatians 3:22

But the words of Scripture represent the whole world as being in bondage to sin, so that the promised blessing, dependent, as it is, upon faith in Jesus Christ, may be given to those who have faith in him.

Romans 3:24-26

But, in his loving-kindness, are being freely pronounced righteous through the deliverance found in Christ Jesus.

Romans 4:11

Not after, but before. And it was as a sign of this that he received the rite of circumcision-to attest the righteousness due to the faith of an uncircumcised man-in order that he might be the father of all who have faith in God even when uncircumcised, that they also may be regarded by God as righteous;

Romans 5:1

Therefore, having been pronounced righteous as the result of faith, let us enjoy peace with God through Jesus Christ, our Lord.

Galatians 3:7-12

You see, then, that those whose lives are based on faith are the Sons of Abraham.

Ephesians 2:5

Even though we were 'dead' because of our offenses, gave Life to us in giving Life to the Christ. (By God's loving-kindness you have been saved.)

Ephesians 2:8

For it is by God's loving-kindness that you have been saved, through your faith. It is not due to yourselves; the gift is God's.

Titus 3:7

that, having been pronounced righteous through his loving-kindness, we might enter on our inheritance with the hope of Immortal Life.

Hebrews 6:13-19

When God gave his promise to Abraham, since there was no one greater by whom he could swear, he swore by himself.

2 Peter 1:10

Therefore, Brothers, do your best to put God's Call and Selection of you beyond all doubt; for, if you do this, you 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
But, in his loving-kindness, are being freely pronounced righteous through the deliverance found in Christ Jesus.
Romans 5:1
Therefore, having been pronounced righteous as the result of faith, let us enjoy peace with God through Jesus Christ, our Lord.
Galatians 3:7
You see, then, that those whose lives are based on faith are the Sons of Abraham.
Ephesians 2:5
Even though we were 'dead' because of our offenses, gave Life to us in giving Life to the Christ. (By God's loving-kindness you have been saved.)
Titus 3:7
that, having been pronounced righteous through his loving-kindness, we might enter on our inheritance with the hope of Immortal Life.

The promise

Hebrews 6:13
When God gave his promise to Abraham, since there was no one greater by whom he could swear, he swore by himself.
2 Peter 1:10
Therefore, Brothers, do your best to put God's Call and Selection of you beyond all doubt; for, if you do this, you will never fall.

But to

Romans 4:11
Not after, but before. And it was as a sign of this that he received the rite of circumcision-to attest the righteousness due to the faith of an uncircumcised man-in order that he might be the father of all who have faith in God even when uncircumcised, that they also may be regarded by God as righteous;

The father

Romans 9:8
This means that it is not the children born in the course of nature who are God's Children, but it is the children born in fulfillment of the Promise who are to be regarded as Abraham's descendants.

General references

Luke 10:26
"What is said in the Law?" answered Jesus. "What do you read there?"
Galatians 3:9
And, therefore, those whose lives are based on faith share the blessings bestowed upon the faith of Abraham.
Galatians 4:28
As for ourselves, brothers, we, like Isaac, are children born in fulfillment of a promise.