Emperor Chengtian of the Western Liao Dynasty Yelu Pusuwan (? - 1178), The daughter of Yelu Dashi, Dezong of the Western Liao Dynasty, sister of Yelu Yilie, Renzong of the Western Liao Dynasty, and the fourth emperor of the Western Liao Dynasty. In order to imitate Xiao Chuo, the mother of Liao Shengzong, she called herself Empress Chengtian (Queen Chengtian).
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