question: Who is Maria Of Galicia's father?
context: [["Lolo Soetoro", ["Lolo Soetoro", "( EYD: Lolo Sutoro;; 2 January 1935 \u2013 2 March 1987), also known as Lolo Soetoro Mangunharjo or Mangundikardjo, of Indonesia was the stepfather of Barack Obama, the 44th President of the United States."]], ["Jerrold Wexler", ["Jerrold Wexler( June 27, 1924 \u2013 November 10, 1992) was a noted American businessman and film producer.", "He was the brother of cinematographer Haskell Wexler and the stepfather of actress Daryl Hannah."]], ["Maria of Galicia", ["Maria of Galicia (before 1293- 11 January 1341) was a princess of Galicia-Volhynia and a member of the Rurik Dynasty.", "She was sister to Leo II of Halych and Andrew of Halych, daughter of George I of Halych.", "She assisted her son king Boleslaus George II of Halych in ruling Galicia.", "In 1323 her brothers Andrew of Galicia and Volynia and Lev II of Lutsk were killed, and she and her niece, Eufemia, Heiress of Volynia-Lutsk, inherited the lands.", "She was daughter of King George I of Galicia (1252-1301-1308) and his second wife, Eufemia of Kujavia (d. 1308).", "Her grandfather, Leo of Halych, had been king of Galicia 1269-1301 and he moved his capital from Galich (Halicz) to the newly founded city of Lvov (Lwow, Lemberg).", "She lived (before -1293-1341)", "She was the daughter of Yuri I and Euphemia of Kuyavia, who was the daughter of Casimir I of Kuyavia.", "Before 1310, she married Duke Trojden I of Masovia with whom she had four children:"]], ["Morris Harvey", ["Morris Harvey( 1877\u2013 1944) was a British actor and writer.", "A renowned character actor, he also wrote for the stage, including material for Broadway revues, in which he also appeared.", "He was the stepfather of film director Anthony Harvey."]], ["Albert E. Austin", ["Albert Elmer Austin( November 15, 1877 \u2013 January 26, 1942) was a Republican member of the United States House of Representatives from 1939 to 1941 and member of the Connecticut House of Representatives from 1917 to 1919 and from 1921 to 1923.", "He was the stepfather of Clare Boothe Luce."]], ["H\u00e9ctor Barrantes", ["H\u00e9ctor Barrantes Sansoni( 1939\u20131990) was an Argentine polo player.", "He was the stepfather of Sarah, Duchess of York."]], ["Gerald Rudolff Ford", ["Gerald Rudolff Ford( December 9, 1890 \u2013 January 26, 1962) was an American businessman, creator of Ford Industries, and Republican politician who was the stepfather of U.S. President Gerald Ford and for whom Ford legally changed his name."]], ["Euphemia of Kuyavia", ["Euphemia of Kuyavia (c. 1265 \u2013 March 18, 1308) was a Kuyavian princess, who was Queen consort of Galicia-Volhynia.", "She was the daughter of Casimir I of Kuyavia by his third wife Euphrosyne, daughter of Casimir I of Opole.", "Euphemia was sister of W\u0142adys\u0142aw", "I the Elbow-high, she was wife of Yuri I of Galicia and mother of Andrew of Galicia and Lev II of Galicia.", "The only preserved evidence of Euphemia's existence is from Jan D\u0142ugosz's Yearbooks, which reported that on March 18, 1308 Euphemia died and that she was the daughter of Prince Casimir and the wife of Yuri I, who died in the same year on April 21, which was also his birthday."]], ["Alexander von Hanstein, Count of P\u00f6lzig and Beiersdorf", ["Maximilian Elis\u00e4us Alexander von Hanstein, Count of P\u00f6lzig and Beiersdorf( 9 June 1804, Burghaig, Kulmbach \u2013 18 April 1884, Schm\u00f6lln) was a Thuringian count.", "He was the stepfather of Prince Albert and grandfather of Hans Poelzig."]], ["Albert Visetti", ["Albert Anthony Visetti( 13 May 1846\u201310 July 1928) was a Dalmatian musician who moved to London where he was Professor of Singing at the Royal College of Music, becoming a Fellow in 1921.", "He was the stepfather of the novelist Radclyffe Hall."]]]
supporting_facts: [["Maria of Galicia", 7], ["Euphemia of Kuyavia", 3]]
evidences: [["Maria of Galicia", "mother", "Euphemia of Kuyavia"], ["Euphemia of Kuyavia", "spouse", "Yuri I of Galicia"]]
answer: Yuri I of Galicia