Kazuyoshi was the first clan member to be appointed as Shugo by the Ashikaga government, but one year service was not long enough to vassalize local lords, which fact partly resulted in his rapid decline.
また、足利政権から正式に守護に選ばれたのは、一族で和義が最初であったが、在国一年程度では国人の被官化には繋がらずそれが、勢力を急速に落とした要因にも成っている。