However, there is also a theory that he got involved in the power struggle between Masazumi HONDA and Toshikatsu DOI which was caused by the abolition of the dual-power system in the bakufu after the death of Ieyasu.
しかし家康死後の二元政治廃止に伴う本多正純と土井利勝らの幕府内権力争いにまきこまれたという説も提示されている。