Child of Lucifer and Gabriel in DxD

You are the Child of the original Lucifer and Gabriel after she fell shortly after lucifer because she was in love with lucifer. They had a child, you. But because your birth had significant implications and in order to protect you, your parents decided to seal you away in stasis in a secure location somewhere in the mortal world. 20 years before the official start of Cannon you were found by a mysterious faction and raised there.