Grand Duchess Tatiana Nikolaevna, Grand Duchess Olga Nikolaevna, Grand Duchess Maria Nikolaevna and
Grand Duchess Tatiana Nikolaevna, Grand Duchess Olga Nikolaevna, Grand Duchess Maria Nikolaevna and Grand Duchess Anastasia Nikolaevna at the Livadia Palace, 20th September - 15th December 1911. Photo from: Tsar Nicholas II 1910-1911 Album / page 25, photo 343 -- source link
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