was the 7th ''

daimyō were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji period in the middle 19th century, ruled most of Japan from their vast, hereditary land holdings. They were subordinate to the shogun and nominal ...

'' of

Odawara Domain 250px, Odawara Castle, Headquarters of the Odawara Domain was a Japanese domain of the Edo period, located primarily in western Sagami Province (modern-day Kanagawa Prefecture). It was centered on Odawara Castle in what is now the city of Oda ...

Sagami Province was a province of Japan located in what is today the central and western Kanagawa Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Kanagawa''" at . Sagami Province bordered the provinces of Izu, Musashi, and Suruga. It had access to the Pac ...

, (modern-day

Kanagawa Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-densest at . Its geographic area of makes it fifth-smallest. Kanag ...

) in mid-

Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characte ...

Japan. His courtesy title was '' Kaga no Kami''.

Biography

Tadazane was born in Edo in 1782 (some sources state 1778) as the son of the 6th ''daimyō'' of Odawara, Ōkubo Tadaaki. He succeeded to headship of the

Ōkubo clan The were a ''samurai'' kin group which rose to prominence in the Sengoku period and the Edo periods.Meyer, Eva-Maria"Gouverneure von Kyôto in der Edo-Zeit."Universität Tübingen (in German) Under the Tokugawa shogunate, the Ōkubo, as heredita ...

and Odawara Domain upon his father’s death in 1796. During his tenure, he reformed the domain's faltering finances, particularly through his employment of the scholar Ninomiya Sontoku, who reformed the domain's taxes and encouraged development of agriculture through immigration from other domains. In 1800, Tadazane had his start in the Tokugawa administration as a ''

Sōshaban were officials of the Tokugawa shogunate in Edo period Japan. Conventional interpretations have construed this Japanese title as "master of ceremonies" Created in 1632, this '' bakufu'' title identified an official selected from the ranks of the ...

'', or Master of Ceremonies. Four years later, on January 28, 1804, he was appointed to the concurrent position of ''

Jisha-bugyō was a "commissioner" or an "overseer" of the Tokugawa shogunate in Edo period Japan. Appointments to this prominent office were always ''fudai daimyōs'', the lowest-ranking of the shogunate offices to be so restricted.Beasley, William G. (1955) ...

'' (Magistrate of Temples and Shrines). On June 25, 1810, he became Osaka Castellan, followed by the post of ''

Kyoto Shoshidai The was an important administrative and political office in the Tokugawa shogunate. The office was the personal representative of the military dictators Oda Nobunaga and Toyotomi Hideyoshi in Kyoto, the seat of the Japanese Emperor, and was ado ...

'' from April 16, 1815. As was usually the case with holders of the latter office, Tadazane became a ''

Rōjū The , usually translated as ''Elder'', was one of the highest-ranking government posts under the Tokugawa shogunate of Edo period Japan. The term refers either to individual Elders, or to the Council of Elders as a whole; under the first two ''shō ...

'' under the ''

shōgun , officially , was the title of the military dictators of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, though during part of the Kamak ...

Tokugawa Ienari Tokugawa Ienari ( ja, 徳川家斉, November 18, 1773 – March 22, 1841) was the eleventh and longest-serving ''shōgun'' of the Tokugawa shogunate of Japan who held office from 1787 to 1837.Hall, John Whitney ''et al.'' (1991) ''Early Modern J ...

upon the completion of his duties in 1818 (having been recommended by

Matsudaira Sadanobu was a Japanese ''daimyō'' of the mid-Edo period, famous for his financial reforms which saved the Shirakawa Domain, and the similar reforms he undertook during his tenure as chief of the Tokugawa shogunate, from 1787 to 1793. Early life Mat ...

). He died 19 years later, while still holding the office of ''Rōjū'', in 1837. His grave is at the clan temple of Saisho-ji in Setagaya, Tokyo. Tadazane was married to a daughter of Hachisuka Haruaki, ''daimyō'' of

Tokushima Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan, controlling all of Awa Province and Awaji Province in what is now Tokushima Prefecture and Awaji Island of modern-day Hyōgo Prefecture. It was centered around Tokushima ...

, but his only son and heir Ōkubu Tadanaga died in 1831. He adopted Tadanaga's son, Tadanao as his heir.

References

* Papinot, Edmond. (1906) ''Dictionnaire d'histoire et de géographie du japon.'' Tokyo: Librarie Sansaish
..Click link for digitized 1906 ''Nobiliaire du japon'' (2003)
* ''The content of much of this article was derived from that of the corresponding article on Japanese Wikipedia.''

External links

(25 October 2007) , - {{DEFAULTSORT:Okubo, Tadazane Tadazane 1782 births 1837 deaths Fudai daimyo Rōjū Kyoto Shoshidai Place of death missing