Bellatrix is believed to be lover of Lord Voldemort. Bellatrix, or Bella is a very viscous woman. She killed and tortured people, and she even made Alice and Frank Longbottom (The two loving parents of Neville) go insane. Bella had to pay up for that, so she later went into Azkaban,but she soon escaped it, thoughand wreked havoc. She is also known to have killed Sirus Black, and Nymphdora Lupin nee Tonks.