After the Siege of Odawara (the war waged by Hideyoshi against the Hojo clan) broke out, Yorizumi defeated the Chiba clan and recovered the Oyumi-jo Castle under the support of the Satomi clan, which led to the resurgence of Oyumi-kubo even only for a few months.
小田原の役が始まると、頼純は里見氏の支援を受けて千葉氏を破って小弓城を取り戻して数ヶ月間ながら小弓公方を復活させた。