Question: which Empress of Japan has , Naruhito, Crown Prince of Japan as her  elder son 
Sentence (from "Naruhito, Crown Prince of Japan"): Naruhito, Crown Prince of Japan (皇太子徳仁親王 , Kōtaishi Naruhito Shinnō , born 23 February 1960) is the elder son of Emperor Akihito and Empress Michiko, which makes him the heir apparent to the Chrysanthemum Throne.
Relevant evidence: Yes