小早川秀秋
In 1600, at the Battle of Sekigahara, initially he was part of "Western Army" of Ishida Mitsunari. During the battle he betrayed Mitsunari and switched sides to join Tokugawa Ieyasu's "Eastern Army" along with Kobayakawa Hideaki, Wakisaka Yasuharu, Kuchiki Mototsuna and Akaza Naoyasu. Ieyasu won the battle and became the "de facto" ruler of Japan. Ieyasu seized Suketada's domain after the battle.