In 1716, he succeeded his uncle, Mitsunori MATSUDAIRA (a hatamoto [a direct retainer of the bakufu, a form of Japanese feudal government headed by a shogun], 3000 bales) as an adopted heir.
享保元年（1716年）に叔父の松平光規（旗本3000俵）の養嗣子として、その家系を継いでいた。