question: Who is the paternal grandfather of Irina Paley?
context: [["Grand Duke Paul Alexandrovich of Russia", ["Grand Duke Paul Alexandrovich of Russia (3 October 1860 \u2013 28 January 1919) was the sixth son and youngest child of Emperor Alexander II of Russia by his first wife, Empress Maria Alexandrovna.", "He was a brother of Emperor Alexander III and uncle of Nicholas II, Russia's last monarch.", "He entered the Russian Army, was a general in the Cavalry and adjutant general to his brother Emperor Alexander III, and a Knight of the Order of St. Andrew.", "In 1889, he married Princess Alexandra of Greece, his paternal first cousin once removed.", "The couple had a daughter and a son, but Alexandra died after the birth of their second child.", "In his widowhood, Grand Duke Paul began a relationship with Olga Valerianovna Karnovich, a married woman with three children.", "After obtaining a divorce for Olga and in defiance of a strong family opposition, Grand Duke Paul married her in October 1902.", "As he contracted a morganatic marriage with a divorc\u00e9e in defiance of the Tsar's prohibition, Grand Duke Paul was banished from living in Russia and deprived of his titles and privileges.", "Between 1902 and 1914, he lived in exile in Paris with his second wife, who gave him three children.", "In the spring of 1914, he settled back in Russia with his second family.", "With the outbreak of World War I, Grand Duke Paul was appointed in command of the first corps of the Imperial Guard.", "Afflicted with ill health, he served only intermittently.", "During the last days of the Tsarist period, he was one of the few members of the Romanov family who remained close to Tsar Nicholas II and his wife, Alexandra Feodorovna.", "It fell upon Grand Duke Paul to inform Alexandra of Nicholas II's abdication.", "After the fall of the Russian monarchy, Grand Duke Paul initially remained at his palace in Tsarskoe Selo during the period of the provisional government.", "With the Bolsheviks ascending to power, his palace was expropriated, and eventually he was arrested and sent to prison.", "In declining health, he was shot by the Bolsheviks with other Romanov relatives in the courtyard of the Peter and Paul Fortress in January 1919, and his remains were thrown into a common grave."]], ["Henry Krause", ["Henry J.\" Red\" Krause, Jr.( August 28, 1913 \u2013 February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.", "He played college football at St. Louis University.", "He is the grandfather of Jennifer Krause", "He is the great grandfather of Payton Hoeing"]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["John Mackay (poet)", ["John Mackay( 1656\u20131754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross."]], ["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."]], ["Kaya Alp", ["Kaya Alp was, according to Ottoman tradition, the son of K\u0131z\u0131l Bu\u011fa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertu\u011frul, and the great grandfather of the Ottoman Empire founder, Osman I."]], ["Zhao Shoushan", ["Zhao Shoushan( 12 November 1894 \u2013 20 June 1965) was a KMT general and later Chinese Communist Party politician.", "He is the grandfather of Zhao Leji."]], ["Fred Le Deux", ["Frederick\" Fred\" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).", "He is the grandfather of Tom Hawkins."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]]]
supporting_facts: [["Irina Paley", 0], ["Grand Duke Paul Alexandrovich of Russia", 0]]
evidences: [["Princess Irina Pavlovna Paley", "father", "Grand Duke Paul Alexandrovich of Russia"], ["Grand Duke Paul Alexandrovich of Russia", "father", "Alexander II of Russia"]]
answer: Alexander II of Russia