He was the eldest son of [[Emperor Kammu]], and succeeded to the throne in [[806]] upon Kammu's death. He reigned only three years before being succeeded by his brother, who took the throne as [[Emperor Saga]]. | He was the eldest son of [[Emperor Kammu]], and succeeded to the throne in [[806]] upon Kammu's death. He reigned only three years before being succeeded by his brother, who took the throne as [[Emperor Saga]]. |