sentences:  Emperor Aizong of Jin
  
  Emperor Aizong of Jin (25 September 1198 – 9 February 1234), personal name Ningjiasu, sinicized names Wanyan Shouxu and Wanyan Shouli, was the ninth emperor of the Jurchen-led Jin dynasty, which ruled most of northern China between the 12th and 13th centuries.He was considered an able emperor who made several reforms beneficial to the Jin dynasty, such as the removal of corrupt officials and introduction of more lenient tax laws.