Page "Legends surrounding the papacy" Paragraph 9

Also, Rosemary and Darrell Pardoe, authors of The Female Pope: The Mystery of Pope Joan.

The First Complete Documentation of the Facts behind the Legend, are assuming that a more plausible time-frame would be 1086 – 1108, when there were a lot of antipopes, and the reign of the legitimate popes Victor III, Urban II and Paschal II was not always established in Rome, since this city was occupied by Emperor Henry IV, and later sacked by the Normans.