question: Who is Princess Irina Alexandrovna Of Russia's maternal grandmother?
context: [["Kaoru Hatoyama", ["After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama."]], ["Abdul-Vahed Niyazov", ["' of Russia."]], ["Irina Paley", ["Princess Irina Pavlovna Paley( 21 December 1903 \u2013 15 November 1990) was the daughter of Grand Duke Paul Alexandrovich of Russia and his second wife, Olga Valerianovna Karnovich."]], ["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."]], ["Hannah Arnold", ["Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children."]], ["Hubba bint Hulail", ["Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic\" Nab\u012b\"( Prophet) Muhammad ibn Abdullah."]], ["Irina Yusupova", ["Princess Irina Felixovna Yusupova, nicknamed\" B\u00e9b\u00e9\",( 21 March 1915 \u2013 30 August 1983) was born in Petrograd, Russian Empire, the only child of Prince Felix Yusupov and Princess Irina of Russia."]], ["Princess Irina Alexandrovna of Russia", ["Princess Irina Alexandrovna of Russia (15 July", "(O.S. 3 July) 1895 \u2013 26 February 1970) was the only daughter and eldest child of Grand Duke Alexander Mikhailovich of Russia and Grand Duchess Xenia Alexandrovna of Russia.", "She was also the only niece of Tsar Nicholas II of Russia, and the wife of the wealthiest man in Imperial Russia, Prince Felix Felixovich Yusupov, one of the men who murdered Grigori Rasputin, \"holy healer\" to her cousin, the hemophiliac Tsarevich Alexei Nikolaevich of Russia, in 1916."]], ["Grand Duchess Xenia Alexandrovna of Russia", ["Grand Duchess Xenia Alexandrovna of Russia (\u2013 20 April 1960) was the elder daughter and fourth child of Tsar Alexander III of Russia and Empress Maria Feodorovna of Russia", "(n\u00e9e 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."]], ["Prince Dmitri Alexandrovich of Russia", ["Prince Dmitri Alexandrovich of Russia( 15 August 1901 \u2013 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."]]]
supporting_facts: [["Princess Irina Alexandrovna of Russia", 1], ["Grand Duchess Xenia Alexandrovna of Russia", 0]]
evidences: [["Princess Irina Alexandrovna of Russia", "mother", "Grand Duchess Xenia Alexandrovna of Russia"], ["Grand Duchess Xenia Alexandrovna of Russia", "mother", "Maria Feodorovna"]]
answer: Maria Feodorovna