Matsudaira Yasuhide was born to the high-ranking hatamoto Matsudaira Yasuzumi, a samurai in the direct service of the Tokugawa shogunate, and later took the name of Daimy.
Matsudaira Yasuhide was born in Edo to the high-ranking hatamoto Matsudaira Yasuzumi; his childhood name was Mantaro. A hatamoto (, "guardian of the banner") was a samurai in the direct service of the Tokugawa shogunate of feudal Japan. 
