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Yahballaha III (1245–November 13, 1317),[1][2] known in earlier years as Rabban Marcos or Markos, was Patriarch of the Church of the East from 1281 to 1317. As a young man, he engaged in a remarkable journey, which began as an ascetic monk's pilgrimage from Mongol-controlled China to Jerusalem, led him to the Patriarch position in Baghdad, and brought him to recommend his former teacher and traveling companion, the monk Rabban Bar Sauma, to become the first Asian ambassador to Europe.


Yahballaha III
Patriarch of All the Eastern Christians
ChurchChurch of the East
Term ended1317
PredecessorDenha I
SuccessorTimothy II
Personal details
Birth nameMarcos
ResidenceBaghdad, Maragheh


A young woman, possibly Uyghur or Chinese, from a Nestorian Church in Gaochang, China, Tang period, 602-654 AD

Markos was born near Beijing[3] (Khanbaliq, or Taitu), then a part of the Mongol Empire. His ethnic ancestry is not entirely clear, but according to the Ecclesiastical Chronicle of Bar-Hebraeus, he was of Turkic Uyghur descent. He was also referred to as 'Yahballaha the Turk' in the colophon to an East Syrian manuscript of 1301. On the other hand, the History of Mar Yahballaha III names the place of his birth as Koshang, thus perhaps suggesting that he was an Ongud from the Christian tribe's homeland in Inner Mongolia near Shanxi.[4]

He was consecrated as a monk, and became a student of Rabban Bar Sauma, another Uyghur or Ongud monk.[3] In the mid-13th century, they decided to make a pilgrimage to Jerusalem.[5]

The Mongol Khan Arghun wanted Yahballaha to incite the Pope into another Crusade. Due to military conflict in Syria, they never arrived at their destination, but did meet with the church leaders in the Mongol Ilkhanate, in Baghdad. There, the Patriarch Mar Denha I sent the two monks on a mission to the court of the Mongol Khan Abaqa, to obtain confirmation for Mar Denha's title. Along the way, Markos was appointed Metropolitan Bishop of China. The monks then intended to return to China, but their departure was again delayed by armed conflict. When the Patriarch died, the bishops elected Markos as the new Patriarch in 1281, and he took the name Yahballaha III ("God Gave Him").[6] It was extremely rare for an outsider to become patriarch, and Bar Hebraeus claims that Markos was elected because of his supposed influence with the Mongols. In the event, hopes that Yahballaha III might be able to influence Mongol policy were disappointed.[7]

Yahballaha held contacts with the Byzantine Empire and with Latin Christendom. In 1287, when Abaqa's son and successor Arghun Khan sought an ambassador for an important mission to Europe, Yaballaha recommended his former teacher Rabban Bar Sauma, who held the position of Visitor-General. Arghun agreed, and Bar Sauma made a historic journey through Europe, meeting with the Pope and many monarchs, and bringing gifts, letters, and European ambassadors on his return. Via Rabban Sauma, Yahballaha received a ring from the Pope's finger, and a papal bull which recognized Yahballaha as the patriarch of all the eastern Christians.[6]

In May 1304, Yahballaha made profession of the Catholic faith in a letter addressed to Pope Benedict XI. But the union was rejected by the synod of bishops of the Church of the East in spite of the leadership of Yahballaha.

In 1310 Yahballaha tried unsuccessfully to prevent the massacre of Christians in Erbil by a Muslim mob. This failure discouraged him, and he retired to Maragheh, the capital of the Mongol Ilkhanate.

Eventually he died, tortured and killed by a Muslim mob during a persecution.[8][9]

See alsoEdit


  1. ^ Grousset, p. 383
  2. ^ Rossabi, p. xv
  3. ^ a b Thomas Francis Carter (1955). The invention of printing in China and its spread westward (2 ed.). Ronald Press Co. p. 171. Retrieved 2010-06-28.
  4. ^ Moule, Christians in China before 1500, 94 & 103; also Paul Pelliot in T'oung-pao 15(1914), pp.630-36, where Koshang is suggested to be the Ongut town Tong-chen to the West of Beijing.
  5. ^ Jacques Gernet (1996). A history of Chinese civilization. Cambridge University Press. p. 376. ISBN 0-521-49781-7. Retrieved 2010-10-28.
  6. ^ a b Phillips, p. 123
  7. ^ Bar Hebraeus, Ecclesiastical Chronicle, ii. 451
  8. ^ In Browne, Eclipse of Christianity in Asia, 163–66.
  9. ^ In Jenkins, The Lost History of Christianity, 129.


External linksEdit

Religious titles
Preceded by
Denha I
Patriarch of the East
Succeeded by
Timothy II