Gal 4:7 So you are no longer a slave, but a son; and since you are a son, God has made you also an heir

1 Jn 3: 1 How great is the love the Father has lavished on us, that we should be called children of god!

Rm 8:15 For you did not receive a spirit that makes you a slave again to fear, but you received the Spirit of sonship. And by him we cry, "Abba, Father."

Eph 1:5 He predestined us to be adopted as his sons through Jesus Christ, in accordance with his pleasure and will