Presently Tadanori died in the Battle of Ichinotani, but Toshinari had insights from the Imperial Court and had the "Senzai shu" (Millennium) Anthology author noted as anonymous.
まもなく忠度は一ノ谷の戦いで戦死したが、俊成は朝廷への配慮から詠み人知らずとして『千載集』に載せた。