However the biological son was only born in the year of father's death, therefore Takasada's adopted son-in-law Takayoshi, who was the third son of Okitsugu TANUMA, took over as the head of family.
しかし、この実子は父が死んだ年に生まれたばかりだったため、後を田沼意次の三男で婿養子の隆棋が継いだ。