In the Judeo-Christian worldview, Abraham is a big deal. Narratively, he is a type of Adam, the human who carries forward the tasks of Adam and initiates the process of undoing his errors. When humanity at Babel went south, God called Abraham out from his family to reboot the Humanity Project. Abraham was to be how God would achieve the goal of having worldwide humans loyal to him. However, the Bible does not say much about his prior life. We know he originated from the Ur of the Chaldeans, and we have his genealogy. That’s about it.

The Quran, on the other hand, has more to say about Abraham’s prior life. For instance, the Quran tells about Abraham turning away from paganism to embrace Allah in Quran 6, after contemplating on some heavenly bodies: