So it is not the children of the flesh who are God's children, but it is the children of the promise who are regarded as offspring.

Deuteronomy 14:1
You are sons of the LORD your God; do not cut yourselves or shave your foreheads on behalf of the dead,

Matthew 3:9
And do not presume to say to yourselves, 'We have Abraham as our father.' For I tell you that out of these stones God can raise up children for Abraham.

Romans 4:13
For the promise to Abraham and his offspring that he would be heir of the world was not given through the law, but through the righteousness that comes by faith.

Romans 4:16
Therefore, the promise comes by faith, so that it may rest on grace and may be guaranteed to all Abraham's offspring--not only to those who are of the law, but also to those who are of the faith of Abraham. He is the father of us all.

Romans 8:14
For all who are led by the Spirit of God are sons of God.

Romans 8:16
The Spirit Himself testifies with our spirit that we are God's children.

Romans 8:19
The creation waits in eager expectation for the revelation of the sons of God.

Galatians 3:29
And if you belong to Christ, then you are Abraham's seed and heirs according to the promise.

Galatians 4:28
Now you, brothers, like Isaac, are children of promise.

Hebrews 11:11
By faith Sarah, even though she was barren and beyond the proper age, was enabled to conceive a child, because she considered Him faithful who had promised.

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.