Naruhito’s daughter, 23-year-old Aiko, is not eligible as Japanese law stipulates that only male members of the royal family can ascend the throne. Hisahito, who turned 18 last year, plans to ...

Japan's Princess Mako, the eldest daughter of Prince Akishino and granddaughter of Emperor Akihito, will give up her royal status to marry Kei Komuro — a graduate student who works at a law firm ...