Therefore, in the battle with the Uesugi clan, who was Shugo (provincial constable) of Echigo as well as Kanto Kanrei (the shogunal deputy for the Kanto region), the Nagao family was significantly supported by Masamori TAKANASHI, the head of the Takanishi family two generations back.
このため、　越後の守護でもあった関東管領上杉氏との戦いでは、先々代高梨政盛から多大な支援を受けていた。