Who is Ernestine from The 120 Days of Sodom and Other Writings and what is their importance? 120_Days_of_Sodom English & Literature Ernestine | The 120 Days of Sodom and Other Writings

This is the main character in "Oxtiern" and "Ernestine." She has been raped by Oxtiern and attempts to avenge her honor against him herself by challenging him to a duel disguised as a man. Oxtiern then schemes to have her face her own father in the duel with neither aware of the identity of the other. Her fate is different in each version. In the play, she is spared as Herman stops the duel at the last moment. In the story, her father springs on her in the duel, killing her with a sword.