The Keiun era, which spanned from 704 to 708, was during the reign of Empress Genmei and Empress Genshō in Japan. Empress Genmei ruled from 707 to 715, while Empress Genshō succeeded her and reigned from 715 to 724. Therefore, during the Keiun era specifically, Empress Genmei was the reigning emperor for most of that period, with Empress Genshō taking over towards the end.
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