Климент IV
Aimery IV (or Aimeric IV) () (c. 1230 – October 1298) was the Viscount of Narbonne, an Italian "condottiero" and captain. Aimery first entered Italy in the service of Charles I of Anjou, who had been granted the Sicilian crown by Pope Clement IV in 1265. Guiraut Riquier, last of the Occitan troubadours, was employed by Aimery.