question: Who is Konstantine Bagration Of Mukhrani (1889–1915)'s mother-in-law?
context: [["Grigol Bagration of Mukhrani", ["Prince Grigol Bagration of Mukhrani( 1787\u20141861) was a Georgian nobleman of the House of Mukhrani.", "Major- General and participant of Russo-Turkish War( 1828 \u2013 29), Russo- Persian War( 1826 \u2013 28) and Caucasian War.", "Recipient of Order of St. George in 1847.", "Prince Grigol was son of Ioane I, Prince of Mukhrani and was born in 1787.", "Prince Grigol married Princess Mariam Tsereteli but had no children.", "Died on 26 February 1861.", "Prince Ivane Bagration of Mukhrani was his nephew."]], ["Konstantine Bagration of Mukhrani (1889\u20131915)", ["Prince Konstantine Bagration of Mukhrani  (1889 \u2013 1915) was a Georgian nobleman from the House of Mukhrani.", "A member of the Russian Imperial Guard, Konstantine fought with distinction and died in World War I - actions for which he posthumously received the Order of St. George, the highest military decoration of the Empire.", "Konstantine was in a brief but controversial marriage with Princess Tatiana Constantinovna of Russia, a member of the Russian Imperial Family."]], ["Konstantine Bagration of Mukhrani (1838\u20131903)", ["Konstantine\" Kote\" Bagration of Mukhrani(\" Konstantine", "[ Kote] Mukhranbatoni\"; 24 December 1838 \u2013 2 May 1903) was a Georgian nobleman, of the House of Mukhrani, and a military officer in the Imperial Russian service.", "Konstantine was born into the family of General Prince Ivane Bagration of Mukhrani and his wife, Princess Nino n\u00e9e Dadiani.", "Like his father, whom he succeeded as the head of the House of Mukhrani, Konstantine was a military officer in the Russian service.", "He took part in the Crimean and Caucasian wars and rose to a regimental commander in the Russo- Turkish War( 1877 \u2013 78).", "Afterwards, he retired with the rank of major- general and returned to a legacy of his father as a landowner and entrepreneur.", "Also, he was elected as Marshal of Nobility of the Tiflis Governorate from 1895 to 1901.", "In 1895, he, further, was granted the title of\" J\u00e4germeister Master of the Hunt\") at the Imperial Russian court and periodically lived in St. Petersburg.", "He provided financial support to several Georgian cultural institutions, such as the projected Georgian University, and scholarships for Georgian students in various Russian academia."]], ["Natasha Bagration", ["Princess Natalia Bagration( 1914\u20131984) was a Georgian noblewoman of the House of Mukhrani.", "Princess Natalia was born on 19 April 1914 and was a daughter of Prince Constantine Bagration of Mukhrani and Princess Tatiana Constantinovna of Russia.", "Princess Natasha was born into two prominent royal dynasties, the Georgian Bagrationi dynasty and the Russian House of Romanov.", "On 24 April 1945 she married British diplomat Charles Hepburn Johnston.", "They had no children.", "She died on 26 August 1984 in London and was buried there at Gunnersbury Cemetery.", "She had a brother Teymuraz Bagration who lived in the United States."]], ["Irakli Bagration of Mukhrani (1813\u20131892)", ["Prince Irakli Konstantines dze Bagration of Mukhrani( 1813- 1892) was a Georgian nobleman of the House of Mukhrani.", "Son of Constantine IV of Mukhrani and Khoreshan Guramishvili( 1786-1831).", "In 1848 Irakli married Princess Ketevan Argutinsky- Dolgorukov.", "They were parents of 8 children:"]], ["Ivane Bagration of Mukhrani", ["Ivane Bagration of Mukhrani(\" Ivane MukhranbatoniIvan Konstantinovich Bagration- Mukhransky\")", "( February 7, 1812 \u2013 March 11, 1895) was a Georgian nobleman of the House of Mukhrani, and general in the Imperial Russian service.", "He was one of the biggest Georgian landowners of that time and a modernizer of winemaking industry."]], ["Nicholas Bagration of Mukhrani", ["Prince Nicholas Bagration of Mukhrani( 1807- 1864) was a Georgian nobleman of the House of Mukhrani.", "Prince Nicholas was son of Prince Edisher Bagration of Mukhrani( born 1787) descended from Prince Constantine I of Mukhrani.", "On 11 November 1823 Prince Nicholas married Princess Tamar Jorjadze( 1813- 1878) and had 12 children:", "Prince Nicholas died on 10 May 1864.", "Niko Bagrationi", "\" the Boer\" was his grandson."]], ["Priscilla Pointer", ["Priscilla Marie Pointer( born May 18, 1924) is an American stage, film and television character actress.", "She began her career in the theater, including productions on Broadway.", "Later, Pointer moved to Hollywood to act in films and on television.", "She is the mother of Amy Irving, therefore making her the former mother- in- law of filmmakers Steven Spielberg and Bruno Barreto and the mother- in- law of documentary filmmaker Kenneth Bowser, Jr."]], ["Princess Tatiana Constantinovna of Russia", ["Princess Tatiana Konstantinovna of Russia", "(Russian: \u041a\u043d\u044f\u0436\u043d\u0430 \u0422\u0430\u0442\u044c\u044f\u043d\u0430 \u041a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0438\u043e\u0432\u043d\u0430; 23 January 1890 \u2013 28 August 1979) was the third child and oldest daughter of Grand Duke Konstantin Konstantinovich of Russia and wife, Princess Elisabeth of Saxe-Altenburg.", "Princess Tatiana Konstantinovna (not to be confused with her cousin, Grand Duchess Tatiana Nikolayevna, second daughter of Nicholas II, 1897\u20131918), had six brothers and two sisters, one which died at the age of two months."]], ["George Nikolaevich Bagration", ["Prince Giorgi Nikolozis dze Bagration of Mukhrani( 1834- 1882) was a Georgian nobleman of the House of Mukhrani.", "Prince George was son of Prince Nicholas Bagration of Mukhrani and Princess Tamar Jorjadze.", "George married Ekaterine Aleksi- Meskhishvili( 1845- 1905) and they had 17 children:"]]]
supporting_facts: [["Konstantine Bagration of Mukhrani (1889\u20131915)", 2], ["Princess Tatiana Constantinovna of Russia", 1]]
evidences: [["Prince Konstantine Bagration of Mukhrani", "spouse", "Princess Tatiana Constantinovna of Russia"], ["Princess Tatiana Constantinovna of Russia", "mother", "Princess Elisabeth of Saxe-Altenburg"]]
answer: Princess Elisabeth of Saxe-Altenburg