sentences:  As a result of this brutality, the Company got excommunicated by Pope Clement V. Eventually the Catalan mercenaries claimed the Duchy of Athens for themselves in 1311 and would remain there until 1379, leaving behind a devastated Byzantium.After this, the Turks found much support amongst those who suffered and reoccupied land that had been lost.Thus, the Catalans' campaign was a short-term Byzantine victory, but benefited the Turks in the long term.