follow along:
Luke 19:9 Jesus said to him, “Today salvation has come to this house, because this man, too, is a son of Abraham.
"Know then that it is those of faith who are the sons of Abraham."
Galatians 3:7
So the sons of Abraham are those that have faith.
Romans 4:16 Therefore, the promise comes by faith, so that it may be by grace and may be guaranteed to all Abraham’s offspring—not only to those who are of the law but also to those who have the faith of Abraham. He is the father of us all
I am a son of Abraham: are you?