Empress Zhangsun
Wu Shiyue was surprised when his wife Lady Yang gave birth to a daughter. His daughter was foretold to be important in the future. His daughter, Wu Meiniang entered the palace at the age of fourteen to serve as a concubine to Emperor Taizong of Tang. He acknowledges these talents and favors her after the death of Empress Zhangsun. She instead develops feelings for his son Li Zhi. She helped him gain prominence over his brothers Li Tai and Li Chengqian.