Original sentence: Jurchen proclamations emphasized the common descent of the Balhae and Jurchen people from the seven Wuji(勿吉) tribes, and proclaimed "Jurchen and Balhae are from the same family".The 13th century census of Northern China by the Mongols distinguished Balhae from other ethnic groups such as Goryeo, Khitan and Jurchen.The Khitans themselves eventually succumbed to the Jurchen people, the descendants of the Mohe, who founded the Jin dynasty.The fourth, fifth and seventh emperors of Jin were mothered by Balhae consorts