 The same year, he became "daimyō" of Echizen-Matsuoka on the death of his father.At that time, he took the name of Matsudaira Masahira (昌平) and was granted Senior Fifth Rank, Lower Grade Court rank and the courtesy title of "Takumi-no-kami".In 1721, he was chosen by Matsudaira Yoshikuni as heir to Fukui Domain, and became "daimyō" of Fukui the following year.