Antioch was eventually betrayed to Bohemund by an Armenian guard .
Robert was among the first to enter the city , but only a few days later they were themselves besieged by Kerbogha of Mosul .
Antioch was eventually betrayed to Bohemund by an Armenian guard , and Robert was among the first to enter the city , but only a few days later they were themselves besieged by Kerbogha of Mosul .