Emperor Keitai, Emperor Ankan, and Emperor Senka, succeeded to the throne for a few years followed by Emperor Kinmei, however there is a theory that it was because of usurpation of Imperial succession by Emperor Kinmei.
継体天皇の後に安閑天皇・宣化天皇が数年間在位して欽明天皇が皇位承継しているが、欽明による皇位簒奪だったとする説もある。