 Within a year , he abandoned her and married <unk> Aurelia Faustina , a descendant of Marcus Aurelius and the widow of a man recently executed by Elagabalus . He had returned to his second wife Severa by the end of the year . According to Cassius Dio , his most stable relationship seems to have been with his chariot driver , a blond slave from Caria named Hierocles , whom he referred to as his husband . 
