During the Onin War, Yoshitoshi and Yoshikado went down to their own territories to reign the whole region; however, the Shiba clan lost most of its own territories after Totomi Province was captured by the Imagawa clan and Echizen Province by the Asakura clan, and only a descendant of Yoshitoshi remained in Owari Province as recommended by the Oda clan, which was Shugodai.
応仁の乱に際しては義敏も義廉も領国に下ってその一円支配を目指すものの、遠江国を今川氏に、越前国を朝倉氏に奪われて領国の大半を失い、尾張国で義敏の子孫が守護代の織田氏に推戴されて存続するのみとなった。