However, after the death of Sadayori, in the generation of Yoshikata ROKKAKU (who inherited Sadayori), the Rokkaku clan's power began to weaken due to various factors, including its defeat by Nagamasa ASAI at the Battle at Norada in 1560.
しかし定頼の死後、後を継いだ六角義賢の代においては、1560年に野良田の戦いで浅井長政と戦って敗れるなど六角氏の勢力は陰りを見せはじめる。