Koremasa, however, was killed in a campaign against the Ikeda clan (the Battle of Shiraikawara), and the Takatsuki-jo Castle was succeeded by Koremasa's young son Korenaga WADA.
ところが惟政は池田氏との争いで討死（白井河原の戦い）、高槻城はまだ若年の惟政の子・和田惟長が引き継いだ。