Horio Tadauji hailed from the lineage of Horio Yoshiharu, the inaugural lord of Matsue Castle. Following his father Yoshiharu's incapacitation in a tea ceremony altercation preceding the Battle of Sekigahara in 1600, Tadauji assumed his father's role in Tokugawa Ieyasu's Eastern forces. Post the battle, Ieyasu commended Tadauji for his commendable contributions and granted him 240,000 koku in Izumo Province (Shimane Prefecture).

Before committing to Ieyasu at Sekigahara, Yamanouchi Kazutoyo (Yamauchi Katsutomo) sought counsel from his confidant Horio Tadauji on the best course of action. Tadauji responded fervently and with great reverence, declaring, "I pledge my lands, my castle, my family, my food, my life, all I can give, without hesitation for the Tokugawa cause!" Touched by this, Yamanouchi decided to heed his friend's advice and joined the Eastern forces.

During the pre-battle assembly, Ieyasu received numerous declarations of loyalty, yet it was Yamanouchi's pledge that garnered the most attention. Faced with providing his own response, the less eloquent Yamanouchi simply echoed his friend Horio's impassioned declaration. "I pledge my lands, my castle, my family, my food, my life, all I can give, without hesitation for the Tokugawa cause!" Horio must have been astonished to hear his own words repeated by his less articulate comrade. Ieyasu, pleased with the sincerity and wholeheartedness, commended Yamanouchi for his resolute commitment, earning admiration from other leaders who cheered in approval.

While Horio Tadauji distinguished himself on the battlefield, his friend Yamanouchi played a lesser role, mostly observing from the sidelines. Tadauji succumbed to illness four years after the pivotal battle.


See also

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  • Yamanami Keisuke


    Yamanami Keisuke, the second in command of the Shinsengumi, a special police force during the late Edo period, shocked many when he performed seppuku on March 20, 1865, at the age of 32.

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  • Yamamoto Kansuke


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  • Yamaga Soko


    Yamaga Soko was a multifaceted figure in Japanese history, renowned as a strategist, philosopher, and scholar. Later in life, he became a ronin, leaving a significant mark on the understanding of the Tokugawa period samurai.

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  • William Adams - Miura Anjin


    William Adams, also known as Miura Anjin, holds the distinction of being one of the few non-Japanese individuals granted samurai status. Born in Gillingham, Kent, England in 1564, Adams embarked on a remarkable journey that led him to become an influential figure in Japanese history.

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  • Wakisaka Yasuharu


    Wakisaka Yasuharu held the position of daimyo over Awaji Island before ruling over Ozu in Iyo Province. His significance in the Battle of Sekigahara in 1600 cannot be overstated.

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  • Ukita Hideie


    Ukita Hideie was born as the second son of Ukita Naoie, the ruler of Okayama Castle. Tragically, Hideie's father passed away when he was just nine years old, thrusting him into the responsibilities of leading the castle, clan, and domain. Prior to his father's demise, the Ukita clan had aligned with Oda Nobunaga. After Nobunaga's assassination during the Honno-ji Incident, Hideie remained loyal to Toyotomi Hideyoshi, whose ties were further solidified through marriage.

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  • Uesugi Kenshin


    Uesugi Kenshin stands out as one of the most formidable daimyo of the Sengoku period, presenting the sole substantial challenge to Oda Nobunaga's quest for dominance.

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