Princess Yicheng was a Chinese princess of the Sui dynasty and a khatun of the Eastern Turkic Khaganate.
10 Facts About Princess Yicheng
1.
2.
Princess Yicheng spent at least 30 years of her life among the Turks.
3.
Princess Yicheng was an extended family member of Sui Dynasty.
4.
Princess Yicheng's father was named Yang Xie and her brother was Yang Shanjing.
5.
Princess Yicheng was inherited by her step-son Shibi Qaghan in 609, in a levirate marriage.
6.
Princess Yicheng had much influence on the khagan, to the point of changing his orders.
7.
Emperor Yang put Xiao Yu and Pei Ju in charge of planning the military counteroffensive, but was only able to get the siege lifted after he followed the advice of the empress's brother Xiao Yu and sent messengers to Princess Yicheng, who was directing military affairs at the Turkic capital in her husband's absence.
8.
Princess Yicheng falsely informed Shibi Khagan that the Turks were under attack from the north, and so the khagan lifted the siege.
9.
Princess Yicheng was inherited by Chuluo Qaghan in 619, another step-son from her first marriage.
10.
Princess Yicheng greeted Empress Xiao and Yang Zhengdao, a posthumous son of Yang Jian who was created as puppet King of Sui by Chuluo.