High Quality Content by WIKIPEDIA articles! Anna Zippel (or Sippel or Sippela) (dead 29 April 1676) was an alleged Swedish witch, one of the most famous ones of the witch trial of Stockholm during the Swedish witch mania "Det stora Oväsendet" ("The Great Noise") of 1668-1676; She was called "The Queen of Blockula", and together with her sister Brita Zippel the most famous witch in Swedish history, famed for her proud defense. Together with her sister, Brita Zippel, and her friend and business partner Anna Månsdotter, she was the first woman in Stockholm to be accused of abducting children to Witches' Sabbath of Satan in Blockula.