However Hakuseki ARAI foresaw the possibility of the discontinuity of the Imperial throne sixty years prior, he had already established the Kaninnomiya family, who were in the Imperial family line and had the right to succeed to the throne, Emperor Kokaku was accepted from the Kaninnomiya family as Emperor Gomomozono's successor.
しかし、この約60年前に皇統断絶の可能性を予見していた新井白石は、皇位継承権をもつ皇族家系となる閑院宮を創設しており、後桃園の後継として閑院宮から光格天皇が迎えられた。