Gushen (died 1140), also known as Wushi or Hushe, and better known by his sinicised name Wanyan Xiyin, was a Jurchen noble and civil minister who lived in the founding and early years of the Jurchen-led Jin dynasty (1115–1234), which ruled northern China between the 12th and 13th centuries.
Issues: Wanyan Xiyin's original Jurchen name is transcribed in Chinese sources as "Gushen", "Wushi" or "Hushe".
[8] Wanyan Xiyin was fascinated by Chinese classics, and collected a large library when Jurchens seized and looted the capital of the Northern Song dynasty, Bianjing (present-day Kaifeng), in the Jin–Song Wars.
He invited several Han Chinese scholars, led by Yuwen Xuzhong (宇文虛中; a Song envoy detained by the Jurchens), to advise him and to teach his sons and grandsons.
Hong Hao (洪皓) – another Song envoy similarly detained by the Jurchens – though that it was under Yuwen Xuzhong's influence that a variety of Han Chinese cultural practices entered the Jin dynasty, such as the forms of government organisations, the scale of official ranks, salaries, and hereditary privileges, as well as the rules for assigning posthumous names to emperors and the taboo against using characters that appear in emperors' names.