Then he was parted from his mother due to her re-marriage to Sadakatsu OKUDAIRA, the neighboring clan, and then he was sent to and adopted by Sadanori SUGANUMA, who was the younger brother of his mother.
やがて、近隣の奥平貞勝への母の再嫁により離別させられて、母の弟・菅沼定仙の養嗣子とされた。