On October 7, 1684, Masatoshi HOTTA, who held the title of chief minister, was called to by Masayasu INABA, who was Masatoshi's cousin and held the title of managerial position, and suddenly killed by him.
貞享元年（1684年）8月28日、大老堀田正俊が従兄弟で若年寄だった稲葉正休に声をかけられ、不意に殺害されたという。