Romans 9:8
That is, not the children of the flesh are the children of God, but the children of the promise are accounted for the seed.
John 1:13
who were born not of blood, nor of the will of the flesh, nor of the will of man, but of God.
Romans 4:11-16
And he received the sign of circumcision as a seal of the righteousness of the faith which he had in uncircumcision: that he might be the father of all that believe though not circumcised, that righteousness may be imputed to them also:
Romans 8:14
For as many as are led by the Spirit of God, these are the sons of God.
Galatians 3:26-29
For ye are all the children of God by faith in Christ Jesus.
Galatians 4:22-31
where it is written, that Abraham had two sons, one by a servant, and one by a free-woman?
1 John 3:1-2
Behold then what manner of love the Father hath bestowed upon us, that we should be called the children of God: though for this reason the world knoweth us not, because it knew not Him.