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 n ...

'' 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 Odawar ...

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 Paci ...

, (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. Kana ...

) in late-

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 characteriz ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. 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 practical imperial rule to Japan in 1868 under Emperor Meiji. Although there were ...

, 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 prominent Japanese ''daimyō'' who ruled the Mito Domain (now Ibaraki Prefecture) and contributed to the rise of nationalism and the Meiji Restoration. Biography C ...

, which made him a cousin to

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 Kamakur ...

Tokugawa Yoshinobu 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 of his position as shogun in late 1867, while aiming ...

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

Takamatsu Domain 270px, Matsudaira Yoritoshi. pre-1903 270px, Takamatsu Castle Tsukimi Yagura was a feudal domain under the Tokugawa shogunate of Edo period Japan, in what is now Kagawa Prefecture on the island of Shikoku. It was centered around Takamatsu Ca ...

, 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 heredita ...

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 (, Japanese 徳川幕府 ''Tokugawa bakufu''), also known as the , was the military government of Japan during the Edo period from 1603 to 1868. Nussbaum, Louis-Frédéric. (2005)"''Tokugawa-jidai''"in ''Japan Encyclopedia ...

, 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 (July 17, 1846 – August 29, 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. ...

on his visit to

Kyoto Kyoto (; Japanese: , ''Kyōto'' ), officially , is the capital city of Kyoto Prefecture in Japan. Located in the Kansai region on the island of Honshu, Kyoto forms a part of the Keihanshin metropolitan area along with Osaka and Kobe. , the ci ...

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 clique seeking to seize political power in the name of the Imperi ...

of the

, he permitted the pro-Imperial forces of the

Satchō Alliance The , or was a powerful military alliance between the 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 ''Satchō'' () is an ...

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 be cr ...

without opposition. However, in May 1868 he met with

Hayashi Tadataka was a Japanese ''daimyō'' of the late Edo period, who ruled the Jōzai Domain. Later in life, he was also known by his style, . During the Boshin War of 1868, Hayashi led his domain's forces in support of the armies of the former shōgun, and th ...

and other members of the pro-Tokugawa resistance and indicated his willingness to support their cause. With the

fall of Edo The , also known as and , took place in May and July 1868, when the Japanese capital of Edo (modern Tokyo), controlled by the Tokugawa shogunate, fell to forces favorable to the restoration of Emperor Meiji during the Boshin War. Saigō Takam ...

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. They succeeded the feudal lords () and court nobles (), but were abolished with the 1947 constitution. Kazoku ( 華族) should not be confused with ' ...

'' 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. In many countries a viscount, and its historical equivalents, was a non-hereditary, administrative or judicial ...

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

Setagaya, Tokyo is a special ward in Tokyo, Japan. It is also the name of a neighborhood and administrative district within the ward. The ward calls itself Setagaya City in English. Its official bird is the azure-winged magpie, its flower is the fringed orch ...

References

* Papinot, Edmund. (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 Tadanori (written: 忠則, 忠度, 忠教, 忠憲, or 忠礼) is a masculine Japanese given name. Notable people with the name include: *, Imperial Japanese Army officer *, Japanese judoka *, Japanese ''kugyō'' *, Japanese ''daimyō'' *, Japanese ...

1842 births 1897 deaths Nobility from Tokyo {{daimyo-stub