What is "kourkouas"

The Kourkouas or Curcuas (, from , Gurgen) family was one of the many nakharar families from Armenia that migrated to the Byzantine Empire during the period of Arab rule over Armenia (7th–9th centuries). They rose to prominence as part of the Anatolian military aristocracy in the 10th century, providing several high-ranking generals and an emperor. They intermarried extensively with the aristocratic families of Phokas and Skleros. In the 11th and 12th centuries, they shifted to the civilian bureaucracy.