Emperor Saga was the 52nd emperor of Japan, according to the traditional order of succession. Saga's reign spanned the years from 809 through 823.
Emperor Saga
Cry for noble Saichō (哭最澄上人), which was written by Emperor Saga for Saichō's death. Saga was a scholar of the Chinese classics. He was also renowned as a skillful calligrapher. Chinese calligraphic influence had been weakened after the Heian period; this text was an example of the different way it was evolving in Japan.
Emperor Kanmu , or Kammu, was the 50th emperor of Japan, according to the traditional order of succession. Kammu reigned from 781 to 806, and it was during his reign that the scope of the emperor's powers reached its peak.
Portrait of Emperor Kanmu, 16th century