The mother Kiyoko UESUGI of Takauji ASHIKAGA and Tadayoshi ASHIKAGA was a younger sister of Noriaki's father Norifusa, therefore, Takuji and Tadayoshi were Noriaki's male cousins.
足利尊氏・足利直義兄弟の母上杉清子は父憲房の妹であり、従って憲顕と尊氏・直義とは従兄弟の関係であった。