Thuvia Maid of Mars Original Version Author:Edgar Rice Burroughs Thuvia was the princess daughter of Thuvan Dihn, Jeddak of Ptarth; Carthoris was the son of John Carter, Warlord of Mars, and he loved Thuvia. She was promised to another. Astok, Prince of Dusar, desired Thuvia, against her will. When she was abducted, Carthoris followed. Her abduction could throw the entire planet of Mars into conflict.