李泰
Several days later, Li Tai was removed from his official posts and reduced in rank to Prince of Donglai. Emperor Taizong exiled his close associates and reduced Du Chuke to commoner rank. Two months later, Li Tai was created the Prince of Shunyang instead. In fall 643, Emperor Taizong exiled both Li Chengqian and Li Tai—in Li Tai's case, to Jun Prefecture (均州, roughly modern Shiyan, Hubei). Emperor Taizong was gut-wrenched about the decision, and he stated: