Matsudaira Yasuhide was born to the high-ranking hatamoto Matsudaira Yasuzumi 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. He succeeded Yasuzumi upon the latter's retirement early in 1848, taking the name of Yasunao. 
