After knowing each other since 2012 and battling through three years of a long-distance relationship, including a 13-hour time difference, Japan ... gave birth to Princess Aiko.

Princess Aiko of Japan, the much-loved daughter of Emperor Naruhito and Empress Masako, has made a milestone royal debut. The 23-year-old attended her first state banquet on 25 March, welcoming ...

Princess Aiko, the daughter of Emperor ... and grateful to have met wonderful teachers and friends.” Aiko will work at the Japanese Red Cross Society from April.

An Imperial Palace celebration for the seventh birthday of Japan's Princess Aiko has been canceled because the princess is sick, royal officials say. Japanese Crown Princess Masako and Princess ...

Princess Aiko, 22, is the sole child of Japan's Emperor Naruhito and Empress ... dispute between Kei Komuro's mother and her former fiance, with the man claiming mother and son had failed to ...

Princess Aiko, who was born in 2001 after the royal couple underwent fertility treatment. Female births have far outweighed male births in recent generations of the Japanese royal family and the ...