Hirotsune also had a relationship by marriage with the Satake clan and proposed a meeting to Yoshimasa SATAKE and Hideyoshi SATAKE; however, Hideyoshi SATAKE said that he could not come up immediately, and confined himself in the Kinsa-jo Castle.
広常はその佐竹氏とも姻戚関係があり、佐竹義政と佐竹秀義に会見を申し入れたが、佐竹秀義は「すぐには参上できない」と言って金砂城に引きこもる。