question: Who is John Ernest Ii, Duke Of Saxe-Weimar's paternal grandmother?
context: [["John Ernest II, Duke of Saxe-Weimar", ["John Ernest II (11 September 1627, in Weimar \u2013 15 May 1683, in Weimar), was a duke of Saxe-Weimar.", "He was the second but eldest surviving son of William, Duke of Saxe-Weimar, and Eleonore Dorothea of Anhalt-Dessau."]], ["Ernest Augustus II, Duke of Saxe-Weimar-Eisenach", ["Ernst August II Konstantin, Duke of Saxe- Weimar- Eisenach( 2 June 1737 \u2013 28 May 1758), was a duke of Saxe- Weimar- Eisenach."]], ["John Frederick, Duke of Saxe-Weimar", ["Duke John Frederick of Saxe- Weimar( 19 September 1600 in Altenburg \u2013 17 October 1628 in Weimar) was a Duke of Saxe- Weimar."]], ["Eleonore Sophie of Saxe-Weimar", ["Eleonore Sophie of Saxe- Weimar( 22 March 1660 \u2013 4 February 1687), was a German noblewoman member of the House of Wettin and by marriage Duchess of Saxe- Merseburg- Lauchst\u00e4dt.", "Born in Weimar, she was the third of five children born from the marriage of John Ernest II, Duke of Saxe- Weimar and Christine Elisabeth of Schleswig- Holstein- Sonderburg."]], ["Johann Ernst III, Duke of Saxe-Weimar", ["Johann Ernst III, Duke of Saxe-Weimar (Weimar, 22 June 1664 \u2013 Weimar, 10 May 1707), was a duke of Saxe-Weimar."]], ["John Ernest I, Duke of Saxe-Weimar", ["Johann Ernst I, Duke of Saxe- Weimar( 21 February 1594 in Altenburg \u2013 6 December 1626 in Sankt Martin, Hungary), was a duke of Saxe- Weimar."]], ["Ernest Augustus I, Duke of Saxe-Weimar-Eisenach", ["Ernest Augustus I, Duke of Saxe- Weimar( German:\" Ernst August I\"; 19 April 1688 \u2013 19 January 1748), was a duke of Saxe- Weimar and, from 1741, of Saxe- Weimar- Eisenach."]], ["William, Duke of Saxe-Weimar", ["Wilhelm, Duke of Saxe-Weimar (Altenburg, 11 April 1598 \u2013 Weimar, 17 May 1662), was a duke of Saxe-Weimar.", "Wilhelm was the fifth (but third surviving) son of Johann, Duke of Saxe-Weimar, and Dorothea Maria of Anhalt.", "He was brother to Bernard of Saxe-Weimar, a successful Protestant general in the Thirty Years' War, and to Ernest I, Duke of Saxe-Gotha (later Altenburg), a successful and well regarded ruler known as \"The Pious\"."]], ["William Ernest, Duke of Saxe-Weimar", ["William Ernest, Duke of Saxe- Weimar( 19 October 1662 \u2013 26 August 1728) was a duke of Saxe- Weimar."]], ["Johann II, Duke of Saxe-Weimar", ["Johann II, Duke of Saxe- Weimar(\" Johann Maria Wilhelm\")( 22 May 1570, in Weimar \u2013 18 July 1605, in Weimar), was a Duke of Saxe- Weimar and Jena."]]]
supporting_facts: [["John Ernest II, Duke of Saxe-Weimar", 1], ["William, Duke of Saxe-Weimar", 1]]
evidences: [["John Ernest II, Duke of Saxe-Weimar", "father", "William, Duke of Saxe-Weimar"], ["William, Duke of Saxe-Weimar", "mother", "Dorothea Maria of Anhalt"]]
answer: Dorothea Maria of Anhalt