was a daimyo of Japan's Sengoku period

Sengoku period

The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

. A son of Mizuno Tadamasa

Mizuno Tadamasa

' was a samurai lord of feudal Japan. He ruled Kariya Castle. He was also the father of Dai-no-kata, the mother of shogun Tokugawa Ieyasu....

, and brother of Mizuno Tadashige

Mizuno Tadashige

was a retainer of the Japanese clan of Tokugawa following the later years of the Azuchi-Momoyama period of the 16th century. Tadashige was the son of Mizuno Tadamasa and the brother of Mizuno Nobumoto....

, he was the lord of Kariya Castle.

Nobumoto sided with Oda Nobuhide

Oda Nobuhide

was a warlord and magistrate of lower Owari Province during the Sengoku period of Japan. His father was Oda Nobusada and Nobuhide was the father of Oda Nobunaga.-Ruling the clan:...

 in 1542, having switched his allegiance from the Imagawa family

Imagawa clan

The was a Japanese clan that claimed descent from Emperor Seiwa . It was a branch of the Minamoto clan by the Ashikaga clan.-Origins:Ashikaga Kuniuji, grandson of Ashikaga Yoshiuji, established himself in the 13th century at Imagawa and took its name.Imagawa Norikuni received from his cousin the...

, but soon changing sides once more, to serve under the Matsudaira family. He was assigned Kariya Castle to defend. Oda Nobunaga

Oda Nobunaga

was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

 blamed Nobumoto of selling rice to Akiyama Nobutomo

Akiyama Nobutomo

was a samurai during the Age of Warring States in Japan. He was a retainer in the service of the Takeda family who served as one of the Twenty-Four Generals of Takeda Shingen. Nobutomo also served under Shingen's son, Takeda Katsuyori.-Early career:...

 (a rival Takeda officer), in 1576. Tokugawa Ieyasu

Tokugawa Ieyasu

 was the founder and first shogun of the Tokugawa shogunate of Japan , which ruled from the Battle of Sekigahara  in 1600 until the Meiji Restoration in 1868. Ieyasu seized power in 1600, received appointment as shogun in 1603, abdicated from office in 1605, but...

 thus sent Hiraiwa Chikayoshi

Hiraiwa Chikayoshi

was a Japanese daimyo of the early Edo period. He ruled the Inuyama Domain....

 to kill him. Nobumoto's brother, Mizuno Tadashige then went on to take Nobutomo's place.

Nobumoto is buried in the Mizuno family temple, Ryogon-ji, a Zen

Zen

Zen is a school of Mahāyāna Buddhism founded by the Buddhist monk Bodhidharma. The word Zen is from the Japanese pronunciation of the Chinese word Chán , which in turn is derived from the Sanskrit word dhyāna, which can be approximately translated as "meditation" or "meditative state."Zen...

 Buddhist monastery established in 1413, in Kariya, Japan.