Instead of him, his cousin Tadahide MATSUDAIRA from the head family of Fujii-Matsudaira, the family of Yamashiro no kami (Governor of Yamashiro Province), was asked to be adopted as a successor (the heir of the Kameyama Domain).
代わって、藤井松平の宗家・山城守家から従兄弟の松平忠栄(亀山藩嫡子)が養子として父の後継に望まれた。