It is assumed that Tadasue was appointed as Wakasa shugoshiki on this occasion (according to "shugoshoku shidai" (the Ritual Protocol of Provincial Constable), and after that, he adopted the family name of "Wakasa," the name of the province, as he became aware of his position as the center of Wakasa Province.
忠季はこの時点で若狭国守護と補されたと考えられ（「守護職次第」）、これ以後、忠季が「若狭」という国名を苗字としたのは若狭国の中心に立つこととなった自らの立場に対する自覚によるものであろうと考えられている。