Originating from Naokane UENO, the second son of Yorikane UENO who was the third head of the Ueno clan belonging to a branch family of the Ashikaga clan starting with Yasuuji ASIKAGA, the Bungo Ueno clan accompanied Takauji on his trip to Kyushu as his trustworthy assistant and stayed there as the sole family of the Ueno clan.
尚、また、足利一門上野氏の三代上野頼兼の次男　上野直兼を祖とする豊後上野氏は、尊氏の腹心として九州下向に随従、上野氏一門の中で唯一九州に留まった。