Ephesians 1:5 NIV

1 John 3:1 NIV
See what great love the Father has lavished on us, that we should be called children of God! And that is what we are! The reason the world does not know us is that it did not know him.

Ephesians 1:11 NIV
In him we were also chosen, having been predestined according to the plan of him who works out everything in conformity with the purpose of his will,

Galatians 3:26 NIV
So in Christ Jesus you are all children of God through faith,

Galatians 4:5-6 NIV
to redeem those under the law, that we might receive adoption to sonship. Because you are his sons, God sent the Spirit of his Son into our hearts, the Spirit who calls out, “Abba, Father.”

John 1:12 NIV
Yet to all who did receive him, to those who believed in his name, he gave the right to become children of God —

Romans 8:14-17 NIV
For those who are led by the Spirit of God are the children of God. The Spirit you received does not make you slaves, so that you live in fear again; rather, the Spirit you received brought about your adoption to sonship. And by him we cry, “Abba, Father.” The Spirit himself testifies with our spirit that we are God’s children. Now if we are children, then we are heirs —heirs of God and co-heirs with Christ, if indeed we share in his sufferings in order that we may also share in his glory.

Romans 8:23 NIV
Not only so, but we ourselves, who have the firstfruits of the Spirit, groan inwardly as we wait eagerly for our adoption to sonship, the redemption of our bodies.

Romans 8:29-30 NIV
For those God foreknew he also predestined to be conformed to the image of his Son, that he might be the firstborn among many brothers and sisters. And those he predestined, he also called; those he called, he also justified; those he justified, he also glorified.