question: Who is the maternal grandfather of Albert, Margrave Of Meissen (1934–2012)?
context: [["Albert, Margrave of Meissen (1934\u20132012)", ["Prince Albert Joseph Maria Franz-Xaver of Saxony, Duke of Saxony, Margrave of Meissen (30 November 1934 \u2013 6 October 2012) was the head of the Royal House of Saxony and a German historian.", "The fourth child and youngest son of Friedrich Christian, Margrave of Meissen and his wife Princess Elisabeth Helene of Thurn and Taxis, he was the younger brother of Maria Emanuel, Margrave of Meissen, who was his predecessor as head of the Royal House of Saxony."]], ["Albert II, Margrave of Meissen", ["Albert II, the Degenerate( de:\" Albrecht II der Entartete\")( 1240 \u2013 20 November 1314) was a Margrave of Meissen, Landgrave of Thuringia and Count Palatine of Saxony.", "He was a member of the House of Wettin.", "He was the eldest son of Henry III, Margrave of Meissen by his first wife, Constantia of Austria."]], ["Theodoric I, Margrave of Meissen", ["Theodoric I( 11 March 1162 \u2013 18 January 1221), called the Oppressed(\" Dietrich der Bedr\u00e4ngte\"), was the Margrave of Meissen from 1198 until his death.", "He was the second son of Otto II, Margrave of Meissen and Hedwig of Brandenburg."]], ["Frederick II, Margrave of Meissen", ["Frederick II, the Serious( 30 November 1310 in Gotha \u2013 18 November 1349 at the Wartburg), Margrave of Meissen, son of Frederick I, Margrave of Meissen and Elisabeth von Lobdeburg- Arnshaugk."]], ["Christian Albert, Margrave of Brandenburg-Ansbach", ["Christian Albert, Margrave of Brandenburg- Ansbach( 18 September 1675 \u2013 16 October 1692) was a German prince."]], ["Elisabeth of Meissen", ["Elisabeth of Meissen, Burgravine of Nuremberg( 22 November 1329 \u2013 21 April 1375) was the daughter of Frederick II, Margrave of Meissen and Mathilde of Bavaria and a member of the House of Wettin."]], ["Dedi I, Margrave of the Saxon Ostmark", ["Dedi (or Dedo) (1004 \u2013 October 1075) was the Margrave of the Saxon Ostmark (also called Lower Lusatia) from 1046 and a claimant for the title of Margrave of Meissen from 1069.", "He was the second son of Dietrich II of Wettin and Matilda, daughter of Eckard I of Meissen."]], ["Agnes of Meissen", ["Agnes of Meissen( born before 1264 \u2013 died after September 1332) was a noblewoman, the daughter of Albert II, Margrave of Meissen and his wife Margaret of Sicily.", "Agnes was married with Henry I\" the Marvelous\" of Brunswick- Grubenhagen, in 1282.", "They had 16 children:"]], ["Princess Elisabeth Helene of Thurn and Taxis", ["Princess Elisabeth Helene of Thurn and Taxis  (15 December 1903, Regensburg, Kingdom of Bavaria \u2013 22 October 1976, Munich, Bavaria, Germany) was a Princess of Thurn and Taxis by birth and a Princess and Duchess of Saxony, Margravine of Meissen, and titular Queen consort of Saxony through her marriage to Friedrich Christian, Margrave of Meissen.", "Elisabeth was the sixth child of Albert, 8th Prince of Thurn and Taxis and his wife Archduchess Margarethe Klementine of Austria."]], ["Princess Anna of Saxony (1929\u20132012)", ["Princess Maria\" Anna\" Josepha of Saxony, Duchess of Saxony( Full German name:\" Maria Anna Josepha, Prinzessin von Sachsen, Herzogin zu Sachsen\"; 13 December 1929 \u2013 13 March 2012) was a Princess of Saxony and member of the House of Wettin by birth and a Princess of Gessaphe and member of the House of Afif- Gessaphe by marriage.", "Anna was the third child and second- eldest daughter of Friedrich Christian, Margrave of Meissen and his wife Princess Elisabeth Helene of Thurn and Taxis, and a younger sister of Maria Emanuel, Margrave of Meissen and Albert, Margrave of Meissen, former heads of the Royal House of Saxony and senior claimants to the defunct throne of the Kingdom of Saxony."]]]
supporting_facts: [["Albert, Margrave of Meissen (1934\u20132012)", 1], ["Princess Elisabeth Helene of Thurn and Taxis", 1]]
evidences: [["Albert, Margrave of Meissen (1934\u20132012)", "mother", "Princess Elisabeth Helene of Thurn and Taxis"], ["Princess Elisabeth Helene of Thurn and Taxis", "father", "Albert, 8th Prince of Thurn and Taxis"]]
answer: Albert, 8th Prince of Thurn and Taxis