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.
Born around 1557 in Owari Province, Nobutada was the eldest son of Nobunaga (although there are theories about an older brother, Oda Nobumasa). His nanny was Jotoku-In, the daughter of Takigawa Kazumasu, a senior vassal of Nobunaga. There is also speculation that Nobutada was adopted by Nohime, Nobunaga’s wife. His childhood name was Kimyo-Maru, which means "strange" in Japanese. He initially took the name Oda Kankuro Nobushige before later changing it to Nobutada.
During the Eiroku era, the Oda clan formed an alliance with the Takeda clan through a marriage agreement between Nobutada and Matsuhime, the sixth daughter of Takeda Shingen. This strengthened the connection between the Oda and Takeda families. However, after Takeda Shingen began attacking Tokugawa Ieyasu’s lands, an ally of Oda, the alliance deteriorated. The engagement was eventually canceled following Shingen's death, contributing to the collapse of the Ashikaga shogunate in 1573.
Nobutada served Nobunaga in various battles, including the Ishiyama Hongan-ji War, the Siege of Iwamura Castle in 1574, and the attack on Ise Nagashima. In 1577, he achieved a significant victory by defeating Matsunaga Hisahide in the Siege of Shigisan. He also led the Siege of Takato in 1582, defeating Nishina Morinobu, a commander of the Takeda clan.
At the Battle of Nagashino in 1575, Nobutada began his career as a supreme commander, leading forces in various battles against the Takeda. His military successes earned him increasing responsibilities. Nobunaga entrusted Nobutada with controlling parts of eastern Mino and Owari provinces, and he became more prominent within the Oda clan’s hierarchy, receiving prestigious ranks and titles.
In 1582, Nobutada led a large force of 50,000 troops in the conquest of Kai Province, where he captured key Takeda strongholds such as Takato Castle. His rapid advance forced Takeda Katsuyori to retreat and ultimately commit seppuku, marking the end of the Takeda clan. After this victory, Nobunaga praised Nobutada and gifted him a sword, signaling Nobutada’s role as his intended successor.
However, in June 1582, Nobutada's fate took a tragic turn when Akechi Mitsuhide, one of Nobunaga's generals, launched a surprise attack on Nobunaga at Honno-ji in Kyoto. While Nobunaga was forced to commit suicide, Nobutada, staying nearby, was also attacked by Akechi’s forces and followed his father in committing seppuku.
See also
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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.
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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.
