was a Japanese samurai of the

Sengoku period The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...

, from Udono clan, who served the

Imagawa clan was a Japanese samurai clan that claimed descent from the Seiwa Genji by way of the Kawachi Genji. It was a branch of the Minamoto clan by the Ashikaga clan. Origins Ashikaga Kuniuji, grandson of Ashikaga Yoshiuji, established himself in the ...

. He was Lord of Kaminogō Castle in

Mikawa Province was an old province in the area that today forms the eastern half of Aichi Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Mikawa''" in . Its abbreviated form name was . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces. Mik ...

and

Imagawa Yoshimoto was a pre-eminent ''daimyō'' (feudal lord) in the Sengoku period Japan. Based in Suruga Province, he was known as . he was one of the three ''daimyōs'' that dominated the Tōkaidō region. He died in 1560 while marching to Kyoto to become ...

's nephew. In 1560 he fought at the

Battle of Okehazama The took place in June 1560 in Owari Province, located in today's Aichi Prefecture. In this battle, the heavily outnumbered Oda clan troops commanded by Oda Nobunaga defeated Imagawa Yoshimoto and established himself as one of the front-running ...

against

Oda Nobunaga was a Japanese ''daimyō'' and one of the leading figures of the Sengoku period. He is regarded as the first "Great Unifier" of Japan. Nobunaga was head of the very powerful Oda clan, and launched a war against other ''daimyō'' to unify ...

and 1562 at the Siege of Kaminogō Castle against

Tokugawa Ieyasu was the founder and first ''shōgun'' of the Tokugawa Shogunate of Japan, which ruled Japan from 1603 until the Meiji Restoration in 1868. He was one of the three "Great Unifiers" of Japan, along with his former lord Oda Nobunaga and fellow ...

References

* Japanese Wiki article on Nagateru (14 Sept. 2007) Samurai 1562 deaths Year of birth unknown {{samurai-stub