Prince Akishino of Japan is the second son of Emperor Akihito and Empress Michiko and the younger brother of Crown Prince Naruhito. He is the current heir to the Chrysanthemum Throne, and is the first male member of the Imperial Family to be born in the
From Wikipedia
Fumihito, Crown Prince Akishino is the heir presumptive to the Japanese throne. He is the younger brother of Emperor Naruhito, and the younger son of Emperor Emeritus Akihito and Empress Emerita Michiko. Since his marriage in June 1990, he has had the title Prince Akishino and has headed the Akishino branch of the Imperial House of Japan.