Question: Who is the maternal grandmother of Prince Feodor Alexandrovich Of Russia?

Knowledge 1: Prince Feodor Alexandrovich of Russia
Prince Feodor Alexandrovich of Russia (23 December 1898 – 30 November 1968) was the second son and third child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.He was also a nephew of Nicholas II of Russia, the last Tsar.Born and raised in Imperial Russia during the reign of his uncle Nicholas II, he followed a military career and entered the Corps of Pages during World War I. With the fall of the Russian monarchy, he escaped the fate of many of his relatives killed by the Bolsheviks fleeing to his parents estate in Crimea.For a time, he was under house arrest there with a large group of family members.They left Russia on 11 April 1919.In exile, he settled in France where he married Princess Irina Pavlovna Paley, his distant cousin.The couple divorced in 1936.Afflicted with tuberculosis, Prince Feodor moved to England with his mother spending the years of World War II there.After the war ended, he settled permanently in the south of France. [SEP] Knowledge 2: Grand Duchess Xenia Alexandrovna of Russia
Grand Duchess Xenia Alexandrovna of Russia (– 20 April 1960) was the elder daughter and fourth child of Tsar Alexander III of Russia and Empress Maria Feodorovna of Russia(née Princess Dagmar of Denmark) and the sister of Emperor Nicholas II.She married a cousin, Grand Duke Alexander Mikhailovich of Russia, with whom she had seven children.She was the mother-in-law of Felix Yusupov and a cousin of Grand Duke Dmitri Pavlovich of Russia who, together, killed Grigori Rasputin, holy healer to her nephew, the haemophiliac Tsarevich Alexei Nikolaevich of Russia.During her brother's reign she recorded in her diary and letters increasing concern about his rule.After the fall of the monarchy in February 1917, she fled Russia, eventually settling in the United Kingdom.Her grandson Prince Andrew Andreevich has been a head of the Romanov Family since December 2016.
Knowledge 1: Prince Feodor Alexandrovich of Russia
Prince Feodor Alexandrovich of Russia (23 December 1898 – 30 November 1968) was the second son and third child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.He was also a nephew of Nicholas II of Russia, the last Tsar.Born and raised in Imperial Russia during the reign of his uncle Nicholas II, he followed a military career and entered the Corps of Pages during World War I. With the fall of the Russian monarchy, he escaped the fate of many of his relatives killed by the Bolsheviks fleeing to his parents estate in Crimea.For a time, he was under house arrest there with a large group of family members.They left Russia on 11 April 1919.In exile, he settled in France where he married Princess Irina Pavlovna Paley, his distant cousin.The couple divorced in 1936.Afflicted with tuberculosis, Prince Feodor moved to England with his mother spending the years of World War II there.After the war ended, he settled permanently in the south of France. [SEP] Knowledge 2: Abdul-Vahed Niyazov
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Knowledge 1: Prince Feodor Alexandrovich of Russia
Prince Feodor Alexandrovich of Russia (23 December 1898 – 30 November 1968) was the second son and third child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.He was also a nephew of Nicholas II of Russia, the last Tsar.Born and raised in Imperial Russia during the reign of his uncle Nicholas II, he followed a military career and entered the Corps of Pages during World War I. With the fall of the Russian monarchy, he escaped the fate of many of his relatives killed by the Bolsheviks fleeing to his parents estate in Crimea.For a time, he was under house arrest there with a large group of family members.They left Russia on 11 April 1919.In exile, he settled in France where he married Princess Irina Pavlovna Paley, his distant cousin.The couple divorced in 1936.Afflicted with tuberculosis, Prince Feodor moved to England with his mother spending the years of World War II there.After the war ended, he settled permanently in the south of France. [SEP] Knowledge 2: Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.

Answer: Maria Feodorovna