What title was held by Nicholas II whose eldest daughter was called Grand Duchess of Russia and whose reign saw the fall of the Russian Empire?
Grand Duchess Olga Nikolaevna of Russia Grand Duchess Olga Nikolaevna of Russia (Olga Nikolaevna Romanova) (Russian: Великая Княжна Ольга Николаевна ; ] (Velikaya Knyazhna Ol'ga Nikolaevna); November 15 [O.S. November 3] 1895 – July 17, 1918) was the eldest daughter of the last Tsar of the Russian Empire, Emperor Nicholas II, and of Empress Alexandra of Russia.
Natalia Pavlovna Paley Princess Natalia Pavlovna Paley (Наталья Павловна Палей), Countess de Hohenfelsen (December 5, 1905 – December 27, 1981) was a member of the Romanov family. A daughter of Grand Duke Paul Alexandrovich of Russia, she was a first cousin of the last Russian emperor, Nicholas II. After the Russian revolution she emigrated first to France and later to the United States. She became a fashion model, socialite, vendeuse, and briefly pursued a career as a film actress.