Kuber was the ruler of a mixed population in the former Roman province of Pannonia Secunda, including the descendants of the prisoners of war whom the Avars had captured in the Balkan Peninsula and settled around Sirmium.
Kuber was the ruler of a mixed population in the former Roman province of Pannonia Secunda of war. This was including the descendants of the prisoners. The Avars had captured in the Balkan Peninsula these descendants of the prisoners of war. The Avars had settled around Sirmium these descendants of the prisoners of war.