Toshitaka IKEDA, a legitimate son of Terumasa IKEDA; Tadatsugu IKEDA, a legitimate son of Tokuhime (Princess Toku; keishitsu [second wife] of Terumasa and a daughter of Ieyasu TOKUGAWA); and Tadao IKEDA, an adopted younger brother of Tadatsugu were all shihon daimyos with their own domains.
池田輝政の嫡男池田利隆と輝政継室督姫（徳川家康娘）の嫡男池田忠継及びその弟で養子の池田忠雄がともに四品国主大名であった。