question: Who is the maternal grandfather of Countess Emilia Antwerpiana Of Nassau?
context: [["Elisabeth of Nassau-Dillenburg, Countess of Wied", ["Elisabeth of Nassau-Dillenburg (1 December 1488 \u2013 3 June 1559 in Dillenburg) was a member of the House of Nassau.", "She was a daughter of John V of Nassau-Dillenburg and his wife Elisabeth of Hesse-Marburg.", "Her brothers were Henry III of Nassau-Breda, John of Nassau-Vianden-Dietz, Ernest of Nassau and William the Rich.", "Her sister was Maria of Nassau."]], ["Walram II, Count of Nassau", ["Walram II of Nassau,( \u2013 24 January 1276), was Count of Nassau and is the ancestor of the Walramian branch of the House of Nassau."]], ["Countess Emilia Antwerpiana of Nassau", ["Countess Emilia Antwerpiana of Nassau", "(Antwerp, 9 December 1581 - Landsberg, 28 September 1657) was the sixth and youngest daughter of William the Silent and his third wife, Charlotte of Bourbon."]], ["Henry I, Count of Nassau-Siegen", ["Henry I of Nassau- Siegen,( \u2013 between 13 July and 14 August 1343) was Count of Nassau- Siegen, a part of the County of Nassau, and ancestor of the House of Nassau- Siegen.", "He comes from the Ottonian branch of the House of Nassau."]], ["Frederick Augustus, Duke of Nassau", ["Friedrich August, Duke of Nassau, Prince of Nassau- Usingen( 23 April 1738 in Usingen \u2013 24 March 1816 in Wiesbaden) was the last Prince of Nassau- Usingen and, jointly with his cousin, Friedrich Wilhelm of Nassau- Weilburg, first Duke of Nassau.", "He died without surviving male issue and was succeeded by his cousin's son, Wilhelm."]], ["Adolf of Nassau (1540\u20131568)", ["Adolf of Nassau (Dillenburg, 11 July 1540 \u2013 Heiligerlee, 23 May 1568) was a count of Nassau, also known as Adolphus of Nassau.", "He was the fourth son and sixth child of William I, Count of Nassau-Dillenburg and Juliana of Stolberg.", "He was the second youngest brother of William the Silent."]], ["Charlotte of Bourbon", ["Charlotte of Bourbon (1546/1547 \u2013 5 May 1582) was a Princess consort of Orange as the third spouse of William the Silent, Prince of Orange, the main leader of the Dutch revolt against the Spanish.", "She was the fourth daughter of Louis, Duke of Montpensier and Jacqueline de Longwy, Countess of Bar-sur-Seine."]], ["Frederick William, Prince of Nassau-Weilburg", ["Frederick William, Prince of Nassau- Weilburg( 25 October 1768, The Hague \u2013 9 January 1816, Weilburg) was a ruler of Nassau- Weilburg.", "In 1806 he was given the title of Prince of Nassau, while his cousin, Prince Frederick Augustus of Nassau- Usingen, became the Duke of Nassau.", "Frederick William died in January 1816, only two months before his cousin.", "Both men were succeeded by Frederick William's son, William."]], ["Otto I, Count of Nassau", ["Otto I of Nassau,( \u2020 between 3 May 1289 and 19 March 1290) was Count of Nassau and is the ancestor of the Ottonian branch of the House of Nassau."]], ["Countess Emilia of Nassau", ["Countess Emilia of Nassau (10 April 1569 \u2013 16 March 1629) was the third and youngest daughter of William the Silent and his second wife Anna of Saxony."]]]
supporting_facts: [["Countess Emilia Antwerpiana of Nassau", 1], ["Charlotte of Bourbon", 1]]
evidences: [["Countess Emilia Antwerpiana of Nassau", "mother", "Charlotte of Bourbon"], ["Charlotte of Bourbon", "father", "Louis, Duke of Montpensier"]]
answer: Louis, Duke of Montpensier