Besides, Mochiuji was also confronted with Norizane UESUGI, Kanto Kanrei, and strengthened his dictatorial color including giving important positions to Sadayori UESUGI and Norinao UESUGI, branch families of the Uesugi clan, and Naokane ISSHIKI, his great vassal.
さらに持氏は関東管領の上杉憲実とも対立し、上杉氏庶流の上杉定頼・上杉憲直や直臣の一色直兼を重用するなど、独裁色を強めていった。