Ubayd Allah ibn Yahya ibn Khaqan
Sources
Gordon, Matthew (2001). The Breaking of a Thousand Swords: A History of the Turkish Military of Samarra, A.H.

Ubayd Allah ibn Yahya ibn Khaqan

Section Title: Sources
Table Section Text: Gordon, Matthew (2001). The Breaking of a Thousand Swords: A History of the Turkish Military of Samarra, A.H.

VacantTitle last held byMuhammad ibn al-Fadl al-Jarjara'i	Vizier of the Abbasid Caliphate 851–861	Succeeded by Ahmad ibn al-Khasib al-Jarjara'i

Preceded by Sulayman ibn Wahb	Vizier of the Abbasid Caliphate 870–877	Succeeded by al-Hasan ibn Makhlad

Sentence(s)

In 851, Ubayd Allah was the vizier.

final_sentence: In 851, Ubayd Allah was the vizier.