 Furthermore, after finding evidence that Livilla murdered her husband Drusus Julius Caesar and rightfully believing she was also poisoning her daughter for the same reason, she kills Livilla by locking her in her room until she starves to death.During the reign of Caligula she is so disgusted by the state of Rome that she commits suicide.She is a leading character in the novel by Lindsey Davis, "The Course of Honour" (1997), where she guides and advises Claudius and his supporters.