1998 Bellatrix presumably gives birth to her and Voldemort's child, Delphini. Tracking down the Elder Wand, Voldemort kills Grindelwald, who taunts the Dark Lord instead of telling him the location of the wand. Becoming master of the Elder Wand, Harry defeats Voldemort at Hogwarts after casting the Expelliarmus spell in Harry Potter and the Deathly Hallows. Image Source: Warner Bros.