'Sons' in the Bible

then understand that those who have faith are Abraham’s sons.

for you are all sons of God through faith in Christ Jesus.

to redeem those under the law, so that we might receive adoption as sons.

And because you are sons, God has sent the Spirit of His Son into our hearts, crying, “Abba, Father!”

For it is written that Abraham had two sons, one by a slave and the other by a free woman.