Although the Kira clan had the succession right determining that 'the Kira clan will become Shogun after Ashikaga Shogun Family falls,' Nobunaga insisted that the Shiba clan was equally high in status in Bakufu, maintaining the family name of Ashikaga after the Kamakura period.
吉良氏は「足利将軍家が滅んだ後は吉良氏が将軍職に」と定められた将軍継承権を有する家であったが、斯波氏も鎌倉時代以降、足利の名字を有し続け、幕府にて高い格式を誇り、引け目はないと主張したのである。