was a Japanese

samurai were the hereditary military nobility and officer caste of medieval and early-modern Japan from the late 12th century until their abolition in 1876. They were the well-paid retainers of the '' daimyo'' (the great feudal landholders). They h ...

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 ...

, 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 ...

of Suruga. He was the lord of Hikuma Castle, and claimed the court title '' Buzen no kami''. Noritsura's service to the Imagawa clan was during the life of

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 ...

. During the Eishō era (1504–1521), Noritsura built Hikuma Castle, and received it and 10,000 '' koku'' of territory around it as a personal fief. He died 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 ...

in 1560. Noritsura's son was

Iio Tsuratatsu was a Japanese samurai of the Sengoku period 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. Origi ...

References

"Suruga Iio-shi" on Harimaya.com
(9 July 2008)
Hamamatsu Castle website
(9 July 2008) 1560 deaths Samurai Daimyo Japanese warriors killed in battle Year of birth unknown {{samurai-stub