Horcruxes!!!

The seven Horcruxes. The Horcruxes were created as a way to give Voldemort everlasting life. As long as a Horcrux exists, he will be able to live. In order to create Horcrux, Voldemort had to murder someone.

Harry Potter. Created when Harry's parents were killed.

Nagini. Bertha Jorkins died which created the Nagini Horcrux.

Tom Riddle's Diary. Created when Moaning Myrtle died.

Marvolo Gaunt's Ring. This was a special Horcrux. Not even Voldemort knew that the stone in the ring was the Resurrection Stone--one of the three Deathly Hallows. Voldemort killed his own father to create this Horcrux.

Helga Hufflepuff's Cup, Voldemort stole from and killed Hepzibah Smith to create this Horcrux. He also stole Salazar Slytherin's Locket.

Salazar Slytherin's Locket, a muggle was killed to create this Horcrux.

Rowena Ravenclaw's Diadem, an Albanian peasant's death created this Horcrux.