Mong Mao
In November 1437 Si Renfa attacked the tusi of Nandian and annexed his land. A petition was sent to the Ming court requesting assistance in returning land that had been taken from it by Mong Mao. The regional commander of Yunnan, Mu Sheng, was requested to make an investigation into the matter. His report arrived on 28 June 1438, stating that Mong Mao