Wu Shun was allegedly the mother of Li Xian, the crown prince, and the rumors eventually led to his demise.
In all likelihood, her sister Empress Wu, who had become a full-fledged power behind the throne after January 665, ordered her poisoning.
Her husband Helan Yueshi had died early leaving Wu Shun a widow.
Her younger sister was created the empress consort to Emperor Gaozong And then becomes the power behind the throne.
Emperor Gaozong eventually created her the Lady of Han and wanted to let her live in the palace.
Although he was praised for making good decisions regarding the government, he had a poor relationship with his mother after hearing the rumors that he was actually the son of Lady of Han.
Empress Dowager Wu retained all powers, dominance and influence as regent and after the disobedience of Emperor Zhongzong, she quickly deposed him and replaced him with his younger brother Li Dan with the name (Emperor Ruizong), after which she concentrated the throne more firmly in her hands.
Qiu Shenji placed Li Xian into a small room and forced him to commit suicide.