 Stephanie died shortly after John 's arrival . Contemporary sources accused John of causing her sudden death , claiming that he severely beat her when he heard that she tried to poison his daughter Isabella . Their only son died a few weeks later , ending John 's claim to Cilicia . Soon after Pope Honorius learned about the deaths of Stephanie and her son , he declared Raymond @-@ Roupen the lawful ruler of Cilicia and threatened John with excommunication if he fought for his late wife 's inheritance . 
