Imperial princess; wife of an Imperial prince
Title for the wife of a 親王 (Imperial prince). In the Japanese Imperial Family, a 親王妃 is not a princess by birth but by marriage.
Her Imperial Highness the Princess visited abroad for international goodwill.
The Imperial princess is engaged in official duties as a member of the Imperial Family.
王妃 is a queen or princess consort in a non-Imperial royal family, while 親王妃 is specific to the Japanese Imperial Family.
Compound of 親王 (Imperial prince) and 妃 (princess consort).