Yahya ibn Khalid (701–806)
Born 701 CE, died 806 CE.
Yahya ibn Khalid (Arabic: يحيى بن خالد, romanized: Yahyā ibn Khālid; died 806 CE) was the most prominent member of the Barmakid family, serving as provincial governor and all-powerful long-time vizier to Caliph Harun al-Rashid before his abrupt fall in 803.
Text from the Wikipedia article Yahya_ibn_Khalid, licensed CC BY-SA 4.0.