Tokugawa Iemitsu, the eldest son of Tokugawa Hidetada, held a special place in the heart of his grandfather, Tokugawa Ieyasu. Although his younger brother Tadanaga was favored by their parents and initially considered as Hidetada’s successor, Ieyasu asserted that Iemitsu would inherit the position. Interestingly, during his childhood, Iemitsu shared the same name as his grandfather, Takechiyo.
In 1617, Iemitsu celebrated his Coming of Age ceremony, marking the official transition to adulthood and adopting the name Iemitsu. He was officially declared as the future shogun, a proclamation that was contested by his younger brother, sparking a bitter rivalry between them. When Hidetada passed away in 1632, Iemitsu, fearing his brother's ambitions, compelled Tadanaga to commit seppuku to eliminate any threat to his authority.
Moreover, Iemitsu disregarded the regents, a group of daimyo appointed by his father to serve as advisors, instead favoring his own circle of trusted friends. While this decision caused discontent among the daimyo, it led to the establishment of a robust and centralized government. Any dissent from the daimyo was swiftly dealt with, often resulting in their forced removal from positions of influence.
Iemitsu was responsible for implementing the Sankin Kotai system, which required daimyo to travel between their provinces and Edo (Tokyo), spending designated periods attending the court and maintaining separate residences in the city, where their families were held as hostages. This system served to control the daimyo and impose financial strain, limiting their ability to acquire arms, armor, and maintain large armies. Additionally, Iemitsu enforced Japan's isolationist policies, known as Sakoku, prohibiting foreigners from entering the country and restricting Japanese citizens from leaving. Foreign trade was strictly regulated and conducted solely at Deshima, a small island in Nagasaki.
Legend has it that in 1620, Iemitsu had a dispute with his childhood friend, as well as his homosexual partner and retainer, Sakabe Gozaemon, resulting in Gozaemon's death during a confrontation while they were bathing together. Seventeen years later, the Shimabara Rebellion erupted, with over 27,000 individuals killed or executed in protest against Iemitsu's policies.
Shogun Iemitsu passed away at the age of 47 on June 8, 1651, and was succeeded by his son, Tokugawa Ietsuna.
See also
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Oda Nobutada
Oda Nobutada (1557 – June 21, 1582) was a samurai and the eldest son of Oda Nobunaga, known for his active role in several battles during Japan's Sengoku period. He led armies under his father's command in campaigns against Matsunaga Hisahide and the Takeda clan.
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Imagawa Ujizane
Imagawa Ujizane (1538 – January 27, 1615) was a Japanese daimyō who lived through the Sengoku and early Edo periods. He became the tenth head of the Imagawa clan, following in the footsteps of his father, Imagawa Yoshimoto. Ujizane was the father of Imagawa Norimochi and Shinagawa Takahisa.
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Hojo Ujiyasu
Hojo Ujiyasu (1515 – October 21, 1571), the third head of the Odawara Hojo clan, was a formidable daimyo known as the "Lion of Sagami." Revered as a fearsome samurai and brilliant strategist, he became famous for successfully breaking sieges by renowned warlords Takeda Shingen and Uesugi Kenshin. Ujiyasu was the son of Hojo Ujitsuna, and his only known wife was Zuikei-in, sister of Imagawa Yoshimoto. Among his children were Hojo Ujimasa and Uesugi Kagetora.
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Hojo Ujimasa
Hojo Ujimasa (1538 – August 10, 1590) was the fourth leader of the later Hojo clan and the daimyo of Odawara. He continued his father Hojo Ujiyasu's policy of territorial expansion, achieving the largest territorial holdings in the clan's history.
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Uesugi Kagetora
Uesugi Kagetora (1552 – April 19, 1579) was the seventh son of Hojo Ujiyasu and was originally known as Hojo Saburo. He was adopted by Uesugi Kenshin and intended to be Kenshin's heir. However, in 1578, he was attacked in his Otate Castle by Uesugi Kagekatsu, his brother-in-law, and was ultimately defeated. Kagetora committed suicide the following year at Samegao Castle.
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Hojo Ujinao
Hojo Ujinao (1562 – December 19, 1591) was a Japanese daimyo of the late Sengoku period and the last leader of the Later Hojo clan. An important figure in Azuchi-Momoyama politics, he lost his entire domain following the Siege of Odawara (1590). Despite this, he survived, and his family continued as minor daimyo during the Edo period.
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Takeda Katsuyori
Takeda Katsuyori (1546 – April 3, 1582) was a Japanese daimyo of the Sengoku period, renowned as the head of the Takeda clan and successor to the legendary warlord Takeda Shingen. He was also the son-in-law of Hojo Ujiyasu. Katsuyori was born to Shingen and the daughter of Suwa Yorishige, known posthumously as Suwa-goryonin and by her real name, Koihime. His children included Takeda Nobukatsu and Takeda Katsuchika.
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Yasuke
Yasuke, an African page, arrived in Japan in 1579 as the attendant of the Italian Jesuit missionary Alessandro Valignano. Before the arrival of the Englishman William Adams, it is thought that Yasuke was possibly the inaugural non-Japanese samurai, arriving about twenty years earlier.
