Irina Paley
Princess Irina Pavlovna Paley( 21 December 1903 – 15 November 1990) was the daughter of Grand Duke Paul Alexandrovich of Russia and his second wife, Olga Valerianovna Karnovich.
Abdul-Vahed Niyazov
' of Russia.
Prince Alexander Romanov
Prince Alexander Nikitich Romanov( 4 November 1929 – 22 September 2002) was a member of the Romanov family.
He was a son of Prince Nikita Alexandrovich of Russia and a great nephew of Nicholas II of Russia, the last Tsar.
Born in France, he took British citizenship in 1938 and lived with his grand mother Grand Duchess Xenia Alexandrovna in England until her death in 1960.
The following year, Prince Alexander Nikitich became the first member of the Romanov family to visit Russia after the Revolution.
Prince Dmitri Alexandrovich of Russia
Prince Dmitri Alexandrovich of Russia( 15 August 1901 – 7 July 1980) was the fourth son and fifth child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.
He was a nephew of Tsar Nicholas II of Russia.
Grand Duke Alexander Mikhailovich of Russia
Grand Duke Alexander Mikhailovich of Russia ("Aleksandr Mikhailovich"; 13 April 1866 – 26 February 1933) was a dynast of the Russian Empire, a naval officer, an author, explorer, the brother-in-law of Emperor Nicholas II and advisor to him.
Prince Nikita Alexandrovich of Russia
Prince Nikita Alexandrovich of Russia (13 January 1900 – 12 September 1974) was the third son and fourth child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.
He was a nephew of Tsar Nicholas II of Russia.
Born in Imperial Russia during the reign of his uncle, Prince Nikita escaped the fate of many of his relatives who were killed by the Bolsheviks.
He left Russia in April 1919, at age nineteen.
In 1922 he married Countess Maria Vorontsova-Dashkova.
The couple had two children.
Prince Nikita Romanov
Prince Nikita Nikitich Romanov( 13 May 1923 – 3 May 2007) was a British born, American historian and writer, author of a book about Ivan the Terrible.
He was a member of the Romanov family, a son of Prince Nikita Alexandrovich of Russia and a great nephew of Nicholas II of Russia, the last Tsar.
Nikita Nekrasov
Nikita Alexandrovich Nekrasov( born 10 April 1973) is a mathematical physicist and string theorist at Stony Brook University in New York, and a Professor of the Russian Academy of Sciences.
Princess Olga Paley
Princess Olga Valerianovna Paley( 2 December 1865 – 2 November 1929) was the morganatic second wife of Grand Duke Paul Alexandrovich of Russia.
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.

Question: When is Prince Nikita Alexandrovich Of Russia's father's birthday?
Answer: 13 April 1866