The Twin Children Of Voldemort

Lucifer and Sadie Riddle, formerly Harry and Rose Potter, are the twin children of Voldemort and Bellatrix Riddle. They join Hogwarts in their fourth year, and soon rise to become the King and Queen of Slytherin. What happens when an old man decides to meddle in things he shouldn't? Plus, Sadie and Lucifer are dating. Twincest. WBWL. Dumbledore/Potters bashing.