Commemorative wedding photo at the Imperial Palace of Crown Prince Akihito and bride Michiko, together with his parents, the Shōwa Emperor and Empress; his brother, Prince Yoshi (left) and his unmarried but recently engaged sister, Princess Suga (right); April 1959. All of Akihito's sisters (four) lost their status as princesses and became commoners upon marrying; his brother continued as a member of the Imperial Family.

From: Kōshitsu no hanseiki. Volume 18, Supplementary volume of Shōwa Nihonshi (History of Shōwa Japan). Tokyo: Akatsuki Kyōiku Tosho, 1977.