Tong Yabghu Qaghan

統葉護可汗 Tong Yabghu Qaghan
Died	628?
Title	khagan of the Western Turkic Khaganate (618–628?)

Tong Yabghu Qaghan (r. 618–628 or 630) (also known as T'ung Yabghu, Ton Yabghu, Tong Yabghu Khagan, Tun Yabghu, and Tong Yabğu, Traditional Chinese 統葉護可汗, Simplified Chinese: 统叶护可汗, pinyin Tǒngyèhù Kěhán, Wade-Giles: t'ung-yeh-hu k'o-han) was khagan of the Western Turkic Khaganate from 618 to 628 AD. His name is usually translated as "Tiger Yabgu" in Old Turkic. Another interpretation of his name is "sufficiency" or "completeness". He was the brother of Sheguy (r. 611–618), the previous khagan of the western Göktürks, and was a member of the Ashina clan. Tong Yabghu's reign is generally regarded as the zenith of the Western Göktürk Khaganate.

Family: He succeeded his brother Sheguy. He was killed by his uncle Külüg Sibir who was quickly overthrown and was replaced by his son Irbis Bolun Cabgu. His son Tardush Shad got as far south as Kunduz.

Tong Yabghu maintained close relations with the Tang Dynasty of China, and may have married into the Imperial family. The Chinese Buddhist pilgrim Xuanzang visited the western Göktürk capital Suyab in modern Kyrgyzstan and left a description of the khagan. Scholars believe the khagan described by Xuanzang was Tong Yabghu. Gao and La Vaissière argue that the khagan Xuanzang met was his son Si Yabghu, rather than Tong Yabghu. Xuanzang described the khagan as follows:

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