Tong Yabgu ruled the western Göktürk for a dozen years, from 618 to 630, and in that decade the western khaganate was for the last time a great power. He reunited the quarrelling west, brought the Tiele to full submission, extended his rule over Afghanistan as far as Gandhara, established an orderly government from his capital at the Thousand Springs east of the Talas, kept good relations with the new Tang dynasty, and as the ally of the emperor Heraclius sent an army through Derbent into the Caucasus, where it took Tiflis with the Romans and contributed significantly to the Byzantine victory and the collapse of the Sasanian state.[1] His murder by his uncle set off a civil war, and the west dissolved into the Ten Arrows. This work, which calls him with Ilig one of the two equally talented, ambitious and reliable men who led the two Göktürk states in the 620s, notes that the two were close kin and probably never met.
Names and dates
The Chinese histories give the title Tong Yabgu Khan, and the pronunciation has been reconstructed; the meaning of Tong is unexplained, “tiger” by Kashgari in the eleventh century and “hero” by Clauson in the twentieth, and the man had earned both.[1] The Armenian history that tells his Caucasian war calls its Göktürk ruler Jebu Khagan, which is read as Yabgu Khagan and equated with the Sir Yabgu of the Greek sources, the same title Istemi had borne; the Byzantine sources call the ruler who met Heraclius Ziebel, and whether that was Tong Yabgu himself is argued.[1] The reign is dated 618 to 630, with the assassination in 630; whether it began in 618 or in 619 is not settled.[1] By both accounts he was the younger brother of Shegui, whose reign paved the way for his.
Reunification of the west
Shegui, from 611, had extended the western lands to the Altai in the east and “to the sea” in the west from a camp in the mountains north of Kucha, and had made the west once again the rival of the east. Tong Yabgu completed the work. He brought the Tiele, who had broken the western state twice in two decades, to full submission and annexed their lands; he extended his sway to Afghanistan as far as Gandhara, and the Sui Shu calls him master of the ancient territory of the Wusun, the Ili valley. Bactria, lost to Persia after the second Göktürk–Persian war of 606 and 607, was recovered under him, eight years after a Sasanian general had beaten the Göktürk’s Hephthalite vassals near Balkh. From the Thousand Springs he sent tuduns, tax officials, to supervise the eltebers who governed the conquered peoples, and he kept good relations with Tang China, which contributed, together with mutual raiding, to the destruction of the eastern khaganate in 630.
Court at Suyab
The Chinese pilgrim Xuanzang, travelling west in 629, was received by him and left the fullest description of any Göktürk court. Suyab, four kilometres across, gathered the merchants of the surrounding peoples; the khan wore a robe of green satin, his hair loose and long with a band of white silk about his brow; two hundred ministers in embroidered robes with braided hair stood to his right and left; the rest of his military retinue, in fur, serge and fine wool, with spears, standards and bows in order, and riders on camels and horses, stretched out of sight. In the great tent, whose gold embroidery shone, the tarkhans sat in long rows on mats in brocade; envoys from China and Gaochang were admitted and their letters read; wine and music were ordered for the envoys and grape syrup for the pilgrim; and the khan, who would not sit on wood because the Göktürk honour fire, listened to the teaching of the ten virtues and of compassion for animal life, raised his hands, bowed, and accepted it gladly. This work reads the scene as a developed civilisation navigating between cultural worlds, with a precise protocol that assigned every guest a place and a drink, and observes that the pilgrim used the word barbarian only to distinguish Chinese from non-Chinese.
Alliance with Heraclius (627–628)
The Byzantine emperor Heraclius, at war with Persia since 602 and driven by 619 to the edge of surrender, turned the war around and in 627 sought the Göktürk as allies to take the Sasanians in a pincer, the Romans from the west through Armenia and the Göktürk from the north through the Caucasus. Tong Yabgu sent a thousand-strong armed embassy through Persian territory to the emperor in Anatolia with the message that he would avenge the emperor on his enemies and come to his aid with his brave troops, and ordered his nephew Börü Shad, who held an independent command, to begin. In 627 Börü appeared before Derbent, the fortress between the Caspian and the Caucasus that closed the only road from the steppe to Persia and Mesopotamia, with an army the Armenian source calls Khazar and puts at forty thousand; the Göktürk took it, sacked Partaw, and moved on to besiege Tiflis, where the Persian governor refused to change sides. The Armenian historian’s description of the invaders, broad-faced and long-haired, with archers whose arrows fell like hail and who fell on the city like starving wolves, this work quotes and calls exaggerated and important.
Heraclius came to Tiflis, and the two rulers met in the Göktürk camp before the fortress. The yabgu rode up, dismounted, kissed the emperor’s shoulder and bowed; Heraclius embraced him, called him his son, crowned him with his own diadem, held a banquet for both armies, gave him earrings, and promised him the hand of his daughter Eudoxia Epiphania. This work calls it probably the first meeting of leaders of the Graeco-Roman and the Turkic worlds since the Huns. The siege dragged; after two months Tong Yabgu left his nephew and tens of thousands of men before Tiflis and withdrew to Suyab, Heraclius marched on to Nineveh and beat the Persians there, and the yabgu, encouraged by the news, returned, took Tiflis with Börü, and sacked it; the Armenian source has the Göktürk storm the walls on one another’s shoulders with swords in the air. The alliance contributed significantly to the Byzantine victory and the collapse of the Sasanian state; this work’s, that the Göktürk took Derbent and the Caucasus and laid the ground on which the Khazar state would be built, and that the Armenian historian, who lived under the Khazars, called the Göktürk Khazars for that reason.[1]
Death and the dissolution of the west
His apparent lack of concern for his own nomadic subjects caused revolts, that of the Karluks about 627 among them, and he was assassinated by his uncle, who briefly held the khaganate as Mohedu in 630. The murder touched off a civil war and the disintegration of the western Göktürk into the Ten Arrows, two unions of five tribes with a khan each, whose internecine strife filled the next thirty years until the Tang took the last Ashina khan of the west. The western article carries the rest.
Assessment
To the reign belongs the word efflorescence and to the government the word orderly, and to him the Byzantine victory in part.[1] His reign holds the court that Xuanzang saw, the meeting with Heraclius, and the foundation of the Khazars, and ranks him with Ilig as the last great ruler of the first khaganate. The Göktürk’s own inscriptions, a century later, remember the west only as the Ten Arrows and the Türgeš, “our own people” who became enemies; of the yabgu who was crowned by a Roman emperor they say nothing.[2]
References
Sources
Literature
- Emre-E. Yavuz, The Gokturk Empire: 2nd Edition (2025)
- Peter B. Golden, An Introduction to the History of the Turkic Peoples (1992)
What links here17
- Persons
- Börü Shad · Shegui Khan
- Polities
- Byzantium · First Göktürk Khaganate · Khazar Khaganate · Sasanian Persia · Western Göktürk Khaganate
- Conflicts
- Civil war, 584–603
Cite this article
Yavuz, Emre-E. “Tong Yabgu.” Turkic Atlas, revised 12 September 2026. https://turkicatlas.business-5d4.workers.dev/persons/tong-yabgu/
Last revised: 12 September 2026