小牧・長久手の戦い
In May 1584, during Battle of Komaki and Nagakute, Tsuneoki and his eldest son, Ikeda Motosuke, died in the battle at Nagakute. His daughter, Ikeda Sen, and his son, Ikeda Terumasa, survived the battle. Ikeda Terumasa succeeded him as the leader of the Ikeda clan.