Mako Komuro (小室 眞子, Komuro Mako; born 23 October 1991), formerly Princess Mako of Akishino (眞子内親王, Mako Naishinnō), is a Japanese art historian and a former member of the Japanese imperial family. She is the eldest child of Crown Prince Fumihito and Crown Princess Kiko, niece of Emperor Naruhito, and granddaughter of Emperor Emeritus Akihito and his wife, Empress Emerita Michiko. In October 2021, upon her marriage to a commoner, Princess Mako formally lost her title, as required by the Imperial Household Law.
Source: “Kei Komuro”, English Wikipedia (CC BY-SA 4.0), excerpt