Kumagai Nobunao

Kumagai Nobunao (熊谷 信直; 1507 – 1593) was a Japanese samurai and commander of the Sengoku period. Nobunao an Kumagai clan's ancestor was Kumagai Naozane.^[1] He initially served the Aki Takeda clan, but he left Takeda clan and became a vassal of the Mōri Motonari.^[1] He moved Kumagai clan's main bastion from Isegatsubo Castle to Miiri-Takamatsu Castle.^[1][2][3]

Kumagai Nobunao
Kumagai Nobunao
Native name	熊谷 信直
Born	1507 Aki Province
Died	1593 Kumagaya-shi Yakata
Commands	Miiri-Takamatsu Castle
Battles / wars	Siege of Koriyama, Battle of Miyajima

In this Japanese name, the surname is Kuchiba.

In 1547, His daughter was married to Motonari's son Kikkawa Motoharu.^[4][1] Thus, Kumagai clan became an important servant of the Mōri clan.^[1]