Jianzhou Jurchens
The Jianzhou Jurchens (Chinese: 建州女真) were a grouping of the Jurchens as identified by the Chinese of the Ming Dynasty. They were the southernmost group of the Jurchen people (the others being the Wild Jurchens (Chinese: 野人女真) and Haixi Jurchens (Chinese: 海西女真) in the fourteenth century, inhabiting modern-day Jilin (Chinese: 吉林) province in China.
Origins
After the fall of the Yuan dynasty in 1368, pockets of resistance of power were still loyal to the Yuan in the northeast. In 1375, a former Yuan official Naghachu in Liaoyang province invaded Liaodong with aims of restoring the Yuan to power. Although he was finally defeated by the Ming in 1387, in order to protect the northern border areas the Ming decided to "pacify" the Jurchens in order to deal with its problems with Yuan remnants along its northern border.