Who is Gan Long's mother?

At the age of thirteen, the filial piety queen entered the Yong palace and became the princess of the Yong king. Emperor Qianlong was born in Li Hong in the 50th year of Kangxi. In the first year of Yongzheng, she was named Xi Fei, and in the eighth year of Yongzheng, she was named Xi Guifei. In the 13th year of Yongzheng, his son Li Hong (Gan Long) ascended the throne and was honored as the Empress Dowager and the emblem was the Queen of Chongqing. Ganlong died on the 23rd day of the first month in the 42nd year and was buried in Taidongling. They are all: filial piety, Kang Huidun, Cheng Huiren, Mu, and the Empress of the Constitution.

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During the Qianlong period, the Qing dynasty continued to implement the closed-door policy since the Ming dynasty, and there were many restrictions on the types of export goods. When the western industrial revolution was going on, the scientific and technological level of the empire fell behind. Following the bourgeois revolution in western countries in the middle of Ming Dynasty, the industrial revolution in the west in the same period of Qing Dynasty made China fall behind the west in an all-round way. There is a deep crisis under the prosperity, and China is on the eve of modern times.