Yuriko, Princess Mikasa

(born ; 4 June 1923), is a member of the Imperial House of Japan as the widow of Takahito, Prince Mikasa, the fourth son of Emperor Taishō and Empress Teimei. The Princess is the last surviving paternal great-aunt by marriage of Emperor Naruhito, and currently is the oldest member of the imperial family, and the only living member who was born in the Taishō era. Provided by Wikipedia