Shirakawa Domain
Following the Battle of Odawara in 1590, Toyotomi Hideyoshi assigned the Kantō region to Tokugawa Ieyasu, who confirmed Sakakibara Yasumasa, one of this Four Generals as daimyō of Tatebayashi, with revenues of 100,000 "koku". Yasumasa built Tatebayashi Castle and the surrounding castle town, as well as constructing waterworks protecting the new town from flooding. His son Sakakibara Yatsukatsu participated in the Siege of Osaka, and his nephew and heir Sakakibara Tadatsugu received permission to use the Matsudaira surname and an increase in revenues to 110,000 "koku" in 1625. He was transferred to Shirakawa Domain in Mutsu Province in 1643.