Younger twin sister to Mattheo, Younger sister to tom by one year. Y/n Riddle goes to Hogwarts with her brothers for the past years forming a friend group that they all ride or die with each other. Voldemort trains y/n Mattheo and Tom all the time and forms them to be the smartest and strongest. One day Bellatrix had an affair with Rodolphus Lestrange making y/n part away from her twin brother and her older brother. Y/n is trying to stop her father. Trying not hurt her brothers at the same time. But does it ever work?