 A change to this law had been considered until Princess Kiko gave birth to a son.Until the birth of Prince Hisahito, son of Prince Akishino, on September 6, 2006, there was a potential succession problem, since Prince Akishino was the only male child to be born into the imperial family since 1965.Following the birth of Princess Aiko, there was public debate about amending the current Imperial Household Law to allow women to succeed to the throne.