Ii was assassinated in the Sakuradamongai Incident, and Yoshinobu HITOTSUBASHI became Shogun-kokenshoku and became the 15th shogun after the death of Iemochi.
だが、井伊は桜田門外の変で暗殺され、後に一橋慶喜が将軍後見職を経て家茂の死後に15代将軍に就任することになった。