was the 9th ''

daimyō were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast hereditary land holdings. They were subordinate to the shogun and no ...

'' of

Odawara Domain file:Odawara 2006-02-21 c.jpg, 250px, Odawara Castle, Headquarters of the Odawara Domain was a Japanese Han (Japan), domain of the Edo period, located primarily in western Sagami Province (modern-day Kanagawa Prefecture). It was centered on Odawa ...

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

, (modern-day

Kanagawa Prefecture is a Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the List of Japanese prefectures by population, second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-dens ...

) in late-

Edo period The , also known as the , is the period between 1600 or 1603 and 1868 in the history of Japan, when the country was under the rule of the Tokugawa shogunate and some 300 regional ''daimyo'', or feudal lords. Emerging from the chaos of the Sengok ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. Before the

Meiji Restoration The , referred to at the time as the , and also known as the Meiji Renovation, Revolution, Regeneration, Reform, or Renewal, was a political event that restored Imperial House of Japan, imperial rule to Japan in 1868 under Emperor Meiji. Althoug ...

, his courtesy title was '' Kaga no Kami.''

Biography

Ōkubo Tadanori was the nephew of

Tokugawa Nariaki Tokugawa Nariaki (徳川斉昭, April 4, 1800 – September 29, 1860) was a Japanese ''daimyō'' who ruled the Mito Domain (now Ibaraki Prefecture) and contributed to the rise of nationalism and the Meiji Restoration. Biography Clan leader ...

, which made him a cousin to

Shōgun , officially , was the title of the military rulers 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, except during parts of the Kamak ...

Tokugawa Yoshinobu Kazoku, Prince was the 15th and last ''shōgun'' of the Tokugawa shogunate of Japan. He was part of a movement which aimed to reform the aging shogunate, but was ultimately unsuccessful. He resigned his position as shogun in late 1867, while ai ...

. He was born as the 5th son of Matsudaira Yorihiro, daimyō of Takamatsu Domain, in

Sanuki Province was a province of Japan in the area of northeastern Shikoku. Nussbaum, Louis-Frédéric. (2005). "''Sanuki''" in . Sanuki bordered on Awa to the south, and Iyo to the west. Its abbreviated form name was . In terms of the Gokishichidō system, ...

. On the death of former daimyō of Odawara, Ōkubo Tadanao in 1859 he was adopted into 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 heredit ...

as 11th clan head, and by default, daimyō of Odawara Domain. He served in a number of posts within the administration of the

Tokugawa shogunate The Tokugawa shogunate, also known as the was the military government of Japan during the Edo period from 1603 to 1868. The Tokugawa shogunate was established by Tokugawa Ieyasu after victory at the Battle of Sekigahara, ending the civil wars ...

, including that of ''

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 ...

'' (Master of Ceremonies) in November 1863, and accompanied ''

Tokugawa Iemochi (17 July 1846 – 29 August 1866) was the 14th '' shōgun'' of the Tokugawa shogunate of Japan, who held office from 1858 to 1866. During his reign there was much internal turmoil as a result of the "re-opening" of Japan to western nations. I ...

on his visit to

Kyoto Kyoto ( or ; Japanese language, Japanese: , ''Kyōto'' ), officially , is the capital city of Kyoto Prefecture in the Kansai region of Japan's largest and most populous island of Honshu. , the city had a population of 1.46 million, making it t ...

in 1864. He was briefly appointed ''Kōfu jōdai'' from September to December 1867. During the

Boshin War The , sometimes known as the Japanese Revolution or Japanese Civil War, was a civil war in Japan fought from 1868 to 1869 between forces of the ruling Tokugawa shogunate and a coalition seeking to seize political power in the name of the Impe ...

of the

, he permitted the pro-Imperial forces of the

Satchō Alliance The , or was a powerful military alliance between the southwestern feudal domains of Satsuma and Chōshū formed in 1866 to combine their efforts to restore Imperial rule and overthrow the Tokugawa shogunate of Japan. History The name ''Satc ...

to cross

Hakone Pass The Hakone Pass (), is a mountain pass located between Hakone, Kanagawa, and Kannami, Shizuoka, Japan. It is in the Hakone Mountains and its elevation, 846 meters above sea level. General The Hakone Pass has been an important pass that must b ...

without opposition. However, in May 1868 he met with Hayashi Tadataka and other members of the pro-Tokugawa resistance and indicated his willingness to support their cause. With the fall of Edo to the Satchō Alliance, he changed sides again, and met with the leaders of the Satchō Alliance in Edo to plead his case. Considered a traitor to the imperial cause, he was ordered to retire from public life, and his titles were transferred to Ōkubo Tadayoshi, daimyō of Ogino-Yamanaka Domain, a cadet house of the Odawara Domain. In July 1875, when Tadayoshi retired from public life, Tadanori returned to the leadership of the Ōkubo clan. In 1884, with the establishment of the ''

kazoku The was the hereditary peerage of the Empire of Japan, which existed between 1869 and 1947. It was formed by merging the feudal lords (''Daimyo, daimyō'') and court nobles (''kuge'') into one system modelled after the British peerage. Distin ...

'' peerage system, he was made a

viscount A viscount ( , for male) or viscountess (, for female) is a title used in certain European countries for a noble of varying status. The status and any domain held by a viscount is a viscounty. In the case of French viscounts, the title is ...

(''shishaku''). He died on August 10, 1897, and his grave is at the clan temple of Saisho-ji in

Setagaya, Tokyo is a Special wards of Tokyo, special ward in the Tokyo, Tokyo Metropolis in Japan. It is also the name of a neighborhood and administrative district within the ward. Its official bird is the azure-winged magpie, its flower is the Habenaria radi ...

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.'' Fudai daimyo Kazoku People of the Boshin War Tadanori 1842 births 1897 deaths Nobility from Tokyo {{daimyo-stub