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 n ...
'' of the late
Edo period
The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...
, who ruled the
Okazaki Domain
was a feudal domain of the Tokugawa shogunate in Edo period, Japan located in eastern Mikawa Province (modern-day Aichi Prefecture), Japan. It was centered on Okazaki Castle in what is now the city of Okazaki, Aichi. It was ruled by a number ...