The Gonancho forces gradually lost their power, and during the Onin War were labeled in historical records as descendants of Oguranomiya (in the "Daijoin temple and shrine records of miscellaneous matters" they are listed as offspring of Oguranomiya), while the son of Zenmonshu (Gatekeeper) OKAZAKI being welcomed in the capital's western district (this son was called "The Southern Emperor of the western district") by Sozen YAMANA is the last historical mention of them; after this point, they no longer appear in historical records.
後南朝は次第に勢力を失い、応仁の乱において小倉宮の末裔（『大乗院寺社雑事記』には小倉宮の子孫との記述あり）と称し、岡崎前門主という人物の息子が山名宗全により洛中の西陣に迎えられた（これを「西陣の南帝」と呼ぶ）との記録を最後に、歴史上にあらわれなくなった。