The Byzantines as a people were considered fine examples of physical beauty, and youthful slaves and slave-girls of Byzantine origins were highly valued.… The Arabs’ appreciation of the Byzantine female has a long history indeed. For the Islamic period, the earliest literary evidence we have is a hadith (saying of the Prophet). Muhammad is said to have addressed a newly converted Arab: “Would you like the girls of Banu al-Asfar [the yellow (haired?) or pale people]?”