Empress Kōken , known as Empress Shōtoku after her second accession to the throne, was the 46th and the 48th monarch of Japan, according to the traditional order of succession.
Empress Kōken - Utagawa Kunisada III (Cropped)
Emperor Shōmu was the 45th emperor of Japan, according to the traditional order of succession. Shōmu's reign spanned the years 724 through 749, during the Nara period.
Portrait of Emperor Shōmu, 13th century
Tōdai-ji
Memorial Shinto shrine and mausoleum honoring Emperor Shōmu