There is a famous story about Yozan UESUGI trying to recover the finances of the Uesugi family when financial ruin was one step away, and it is said that it was Kozuke no Suke who jeopardized the Uesugi family to this extent.
破綻寸前となった上杉家を上杉鷹山が立て直すエピソードが有名だが、そこまで上杉家を傾けたのは上野介とも言われている。