Philip found Nathanael, and said to him, "We have found him, of whom Moses in the law, and the prophets, wrote: Jesus of Nazareth, the son of Joseph."
You cannot become a son of God through physical genealogy. I am not a son of God because my parents were Christians. My children are not Christians because I am a Christian. It's not of blood, it's not something that you can inherit from your parents or pass on to your children. This dynamic life as a child of God is