Irbis Ishbara Yabgu Qaghan's father was Kana Shad (), who was described as a brother of
Ishbara Tolis Qaghan.
Josef Markwart identified his father with
Kana (from the
Bukhar Khudahs), who is said to have introduced the minting of coins in
Bukhara. He was acknowledged as qaghan by
Emperor Taizong of Tang following the death of his cousin,
El Kulug Shad. Choosing
Suyab as his capital, he sent governors to the
Tarim Basin,
Tashkent,
Samarkand and
Bactria to assert his rule. However, he was killed by the
tudun of
Tashkent on the orders of
Yukuk Shad in 641. Yukuk absorbed his realm while the Nushibi faction promoted another cousin as qaghan after him. == References ==