A collective insanity seemed to have seized the nation and turned them into something worse than beasts. The princess de Lamballe, Marie Antoinette's intimate friend, was literally torn to pieces; her head, breasts, and pudenda were paraded on pikes before the windows of the Temple, where the royal family was imprisoned, while a man boasted drunkenly at a cafe that he had eaten the princess' heart, which he probably had.
J. Christopher Herold (2002). “The Age of Napoleon”, p.37, Houghton Mifflin Harcourt