On March 22, 1183, Yoshihiro, Toshitsuna ASHIKAGA in Shimotsuke Province, and his son Tadatsuna ASHIKAGA worked together, gathered a force of 20,000, raised it to defeat Yoritomo and marched from Hitachi Province to Shimotsuke Province.
寿永2年（1183年）2月20日、義広は下野国の足利俊綱・足利忠綱父子と連合して2万の兵を集めて頼朝討滅の兵を挙げ、常陸国より下野国へ進軍した。