John 1:13
who owe this birth of theirs to God, not to human blood, nor to any impulse of the flesh or of man.
Romans 4:11-16
He only got circumcision as a sign or seal of the righteousness which belonged to his faith as an uncircumcised man. The object of this was to make him the father of all who believe as uncircumcised persons and thus have righteousness counted to them,
Romans 8:14
For the sons of God are those who are guided by the Spirit of God.
Galatians 3:26-29
you are all sons of God by your faith in Christ Jesus
Galatians 4:22-31
Surely it is written in the Law that Abraham had two sons, one by the slave-woman and one by the free-woman;
1 John 3:1-2
'Born of him!' Think what a love the Father has for us, in letting us be called 'children of God!' That is what we are. The world does not recognize us? That is simply because it did not recognize him.