Princess Noriko was born on 22 July 1988 at Aiiku Hospital in Minami-Azabu, Tokyo.

[2] In July 2008, she came of age and attended official ceremonies in Japan with the other members of the Imperial Family.

[4] Though legally commoners today, the heads of the family held the title of baron in the Imperial Japanese peerage (kazoku) before its abolition in 1947.

[6] The couple are also fifth cousins through their shared descent from Marquis Nakayama Tadayasu, the maternal grandfather of the Meiji Emperor.

At 26 years of age, she became the seventh female member born into the Japanese Imperial Family to marry a commoner since the passage of the Imperial Household Law in 1947, and the first member of the family to lose her royal status since the marriage of Sayako, Princess Nori, Emperor Akihito's daughter, in 2005.