You‘re adopted

You are actual Malfoy but you ran away and were found by Mikael and Esther so you’re the oldest and the most badass

You and the rest of the Mikaelson’s walk in the Great Hall of Hogwarts Your Mission is to find the last Moonstone Mikael and Esther leading you and your siblings your Real Parents Lucius and Narrcissa were sitting at a table with Draco