Who is Yongji's mother in history?

Aisinggioro Dayong is the son of Ulanala.

Uranara's. Manchu Huang Zheng Banner, daughter of Narbu. During the Yongzheng period, it was named Li Hong's side Fujin. After Li Hong ascended the throne, she was made a virtuous princess. On the 23 rd day of the first month of Qianlong ten years, he entered the virtuous imperial concubine; On the first day of July 13th, Jin Xian, the imperial concubine, took photos in the Sixth Palace. On the second day of August in the fifteenth year, he was made queen. In the first month of 30 years, I visited the south. February 18, I fell out of favor. Qianlong sent Fu Longan to send the queen back to Beijing by water. On May 14, I ordered the collection of four treasures in the hands of the Queen, namely, one for the Queen, one for the Imperial Lady, one for the Immortal Lady and one for the Immortal Lady, thus reducing the number of courtiers. In July, only the imperial concubine, the man of Nala Nvwang, was buried, but it was not abolished because the North Korean minister wrote to stop it. 1September 28th, 766, buried in the east of Chunhui Emperor Palace.