Japanese daimyo

Daimyo

is a generic term referring to the powerful territorial lords in pre-modern Japan who ruled most of the country from their vast, hereditary land holdings...

 lord, ruler of the 230,000 koku Aizu

Aizu

is an area comprising the westernmost third of Fukushima Prefecture in Japan. The principal city of the area is Aizuwakamatsu.During the Edo period, Aizu was a feudal domain known as and part of Mutsu Province.-History:...

 domain in Mutsu Province. Known in his youth as Keizaburō 慶三郎, he was born to Matsudaira Yoshikazu, the lord of the Takasu domain, in Mino. Adopted by Matsudaira Katahiro of Aizu, Katataka succeeded to the family headship, receiving the court title of Higo no Kami. Though Katataka was praised by Ii Naosuke

Ii Naosuke

was daimyo of Hikone and also Tairō of Tokugawa Shogunate, Japan, a position he held from April 23, 1858 until his death on March 24, 1860. He is most famous for signing the Harris Treaty with the United States, granting access to ports for trade to American merchants and seamen and...

 as a loyal servant of the Bakufu, his fame was to be ultimately eclipsed by his adopted son Matsudaira Katamori

Matsudaira Katamori

was a samurai who lived in the last days of the Edo period and the early to mid Meiji period. He was the 9th daimyo of the Aizu han and the Military Commissioner of Kyoto during the Bakumatsu period. During the Boshin War, Katamori and the Aizu han fought against the Meiji Government armies, but...

(the son of his birth brother Matsudaira Yoshitatsu).