She was the first member of the Imperial Family to be born in the Heisei era .
Princess Ayako was born on 15 September 1990 at the Aiiku Hospital ( ja ) in Tokyo .
Ayako was the first member of the Imperial Family to be born in the Heisei era .
Princess Ayako was born on 15 September 1990 at the Aiiku Hospital ( ja ) in Tokyo .