question: Who is George Iii, Prince Of Anhalt-Dessau's paternal grandfather?
context: [["Rudolph IV, Prince of Anhalt-Dessau", ["Rudolph IV, Prince of Anhalt- Dessau( died 7 September 1510) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.", "He was the fifth son of George I, Prince of Anhalt- Dessau, as the fourth- born child of his fourth wife Anna, daughter of Albert VIII, Count of Lindau- Ruppin."]], ["Sigismund II, Prince of Anhalt-Dessau", ["Sigismund II, Prince of Anhalt- Dessau( died aft. 22 May 1452) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.", "He was the fourth son of Sigismund I, Prince of Anhalt- Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt."]], ["Waldemar IV, Prince of Anhalt-Dessau", ["Waldemar IV, Prince of Anhalt- Dessau( died aft. 22 July 1417) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.", "He was the eldest son of Sigismund I, Prince of Anhalt- Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt."]], ["George I, Prince of Anhalt-Dessau", ["George I, Prince of Anhalt- Dessau( \u2013 21 September 1474), was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.", "He was the second son of Sigismund I, Prince of Anhalt- Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt."]], ["George II, Prince of Anhalt-Dessau", ["George II, Prince of Anhalt- Dessau( 1454 \u2013 25 April 1509) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.", "He was the fourth son of George I, Prince of Anhalt- Dessau, as second- born child of his fourth wife Anna, daughter of Albert VIII, Count of Lindau- Ruppin."]], ["Albert V, Prince of Anhalt-Dessau", ["Albert V, Prince of Anhalt- Dessau( died ca. 1469) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Dessau.", "He was the fifth son of Sigismund I, Prince of Anhalt- Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt."]], ["George III, Prince of Anhalt-Dessau", ["George III, Prince of Anhalt-Dessau (Dessau, 15 August 1507 \u2013 Dessau, 17 October 1553), was a German prince of the House of Ascania and ruler of the principality of Anhalt-Dessau, and also a Protestant Reformer.", "After 1544 he became the first ruler of the principality of Anhalt-Pl\u00f6tzkau.", "George was the third (but second surviving) son of Ernest I, Prince of Anhalt-Dessau, by his wife Margarete, daughter of Henry I, Duke of M\u00fcnsterberg-Oels and granddaughter of George of Pod\u011bbrady, King of Bohemia."]], ["Ernest I, Prince of Anhalt-Dessau", ["Ernest I, Prince of Anhalt-Dessau (died Dessau, 12 June 1516), was a German prince of the House of Ascania and ruler of the principality of Anhalt-Dessau.", "He was the second son of George I, Prince of Anhalt-Dessau, yet the first born by his fourth wife Anna, daughter of Albert VIII, Count of Lindow-Ruppin."]], ["Sigismund III, Prince of Anhalt-Dessau", ["Sigismund III, Prince of Anhalt-Dessau (1456 - Dessau, 27 November 1487), was a German prince of the House of Ascania and ruler of the principality of Anhalt-Dessau.", "He was the fourth son of George I, Prince of Anhalt-Dessau, as third-born child of his fourth wife Anna, daughter of Albert VIII, Count of Lindau-Ruppin."]], ["Countess Henriette Catherine of Nassau", ["Henriette Catherine of Nassau (10 February 1637 \u2013 3 November 1708) was princess consort of Anhalt-Dessau by marriage to John George II, Prince of Anhalt-Dessau, and regent of Anhalt-Dessau from 1693 to 1698 during the minority (and then the absence) of her son Leopold I, Prince of Anhalt-Dessau."]]]
supporting_facts: [["George III, Prince of Anhalt-Dessau", 2], ["Ernest I, Prince of Anhalt-Dessau", 1]]
evidences: [["George III, Prince of Anhalt-Dessau", "father", "Ernest I, Prince of Anhalt-Dessau"], ["Ernest I, Prince of Anhalt-Dessau", "father", "George I, Prince of Anhalt-Dessau"]]
answer: George I, Prince of Anhalt-Dessau