The Southern Chancellory was charged with governing the sedentary population of the empire, mostly ethnic Han and residents of the conquered kingdom of Bohai. As such, there is evidence of at least limited Sinicization on the part of the Yelü clan.
The Southern Chancellory was tasked with governing the sedentary population of the empire, which included mainly ethnic Han and residents from the conquered kingdom of Bohai. This suggests that some degree of Sinicization took place within the Yelü clan.