, was a Japanese military commander who served under the warlord

Uesugi Kenshin , later known as was a Japanese ''daimyō''. He was born in Nagao clan, and after adoption into the Uesugi clan, ruled Echigo Province in the Sengoku period of Japan. He was one of the most powerful ''daimyō'' of the Sengoku period. Known as ...

, one of the Twenty-Eight Generals of Uesugi. The son of Shibata Tsunasada and the elder brother of Shibata Shigeie (Shibata Harunaga), Nagaatsu served under Kenshin from the latter's earliest campaigns. Nagaatsu began serving Kenshin at a very young age and fought in many of his battles. He fought on the right flank at the 4th

Battle of Kawanakajima The were a series of battles fought in the Sengoku period of Japan between Takeda Shingen of Kai Province and Uesugi Kenshin of Echigo Province from 1553 to 1564. Shingen and Kenshin contested each other for control of the plain of Kawanakaj ...

(1561) and

Battle of Tedorigawa The took place near the Tedori River in Japan's Kaga Province in 1577, between the forces of Oda Nobunaga against Uesugi Kenshin. Kenshin tricked Nobunaga into launching a frontal attack across the Tedorigawa and defeated him. Having suffere ...

(1577). In 1578, during the

Siege of Otate The 1578 took place following the sudden death of Uesugi Kenshin. Kenshin had requested that the inheritance be split between his nephew, Uesugi Kagekatsu, and his adopted son Uesugi Kagetora. This conflict happened because of neither heirs being ...

, the succession struggle that followed Kenshin's death, Nagaatsu supported Kenshin's son Kagekatsu. Nagaatsu died of illness in 1580.

References

Samurai 1538 births 1580 deaths {{samurai-stub