Both the Emperor and the conspirators soon fell victim to another usurper , however , as Manuel 's cousin and rival Andronikos Komnenos returned from exile , apparently with Maria 's encouragement , and , more importantly , with an army in support . Andronikos ' takeover was marked by the massacre of the Latin population that followed . Maria died soon afterwards , allegedly by poison : she was , no doubt , a potential focus of opposition to the usurper . Renier seems to have shared her fate , though his death is noted by very few sources
massacre of the Latin
Massacre of the Latins
Renier of Montferrat