daimyō
were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast hereditary land holdings. They were subordinate to the shogun and no ...
'' of the mid-
Edo period
The , also known as the , is the period between 1600 or 1603 and 1868 in the history of Japan, when the country was under the rule of the Tokugawa shogunate and some 300 regional ''daimyo'', or feudal lords. Emerging from the chaos of the Sengok ...
, who ruled the
Oshi Domain
was a Han (Japan), feudal domain under the Tokugawa shogunate of Edo period Japan, located in Musashi Province (modern-day Saitama Prefecture), Japan. It was centered on Oshi Castle in what is now part of the city of Gyōda, Saitama.
History
Osh ...
.
Masayoshi served as ''
Kyoto Shoshidai
The was an important administrative and political office in the Tokugawa shogunate. The office was the personal representative of the military dictators Oda Nobunaga and Toyotomi Hideyoshi in Kyoto, the seat of the Japanese Emperor, and was ado ...