Annia Aurelia Galeria Lucilla or Lucilla (March 7, 148 or 150–182) was the second daughter and third child of Roman Emperor Marcus Aurelius and Roman Empress Faustina the Younger and an elder sister to future Roman Emperor Commodus. Commodus ordered Lucilla's execution after a failed assassination and coup attempt when she was about 33 years old.
Read more about Lucilla: Early Life, Marriages and Ascension To Empress, Rise of Commodus, Plot To Assassinate Commodus, In Popular Culture