[3] Before Reigen's ascension to the Chrysanthemum Throne, his personal name (imina) was Satohito (識仁);[4] and his pre-accession title was Ate-no-miya (高貴宮).

His mother was the daughter of Minister of the Center Sonomotooto (内大臣園基音), Lady-in-Waiting Kuniko (新広義門院国子).

[11] Kugyō (公卿) is a collective term for the very few most powerful men attached to the court of the Emperor of Japan in pre-Meiji eras.

Even during those years in which the court's actual influence outside the palace walls was minimal, the hierarchic organization persisted.

[8] [12] Unless otherwise noted (as BC), years are in CE / AD  * Imperial Consort and Regent Empress Jingū is not traditionally listed.