At that time, a custom prevailed that the successor of the Imperial throne should have a father who was a retired Emperor, therefore Imperial Prince Morisada who previously had no position in the Imperial Palace, succeeded to the position to start to rule the Cloistered government as Gotakakurain against his will, and his son became Emperor Gohorikawa.
当時、皇位承継するにはその父が院でなければならないという慣例ができており、やむなく皇位についたことのない守貞親王が後高倉院として治天の地位について院政を開始し、その子が後堀河天皇として即位することとなった。