Who was the emperor while Prince Sanjō Sanetomi was an Imperial court noble?
Sanjō Sanetomi Prince Sanjō Sanetomi (三条 実美 , 13 March 1837 – 18 February 1891) was an Imperial court noble and statesman at the time of the Meiji Restoration. He held many high-ranking offices in the Meiji government.
Emperor Reigen Emperor Reigen (霊元天皇 , Reigen-tennō , 9 July 1654 – 24 September 1732) was the 112th emperor of Japan, according to the traditional order of succession.