question: Who is Marie Friederike Of Hesse-Kassel's paternal grandmother?
context: [["Charles I, Landgrave of Hesse-Kassel", ["Charles of Hesse- Kassel( 3 August 1654 \u2013 23 March 1730), of the House of Hesse, was the Landgrave of Hesse- Kassel from 1670 to 1730."]], ["Margravine Hedwig Sophie of Brandenburg", ["Hedwig Sophia of Brandenburg( 14 July 1623, Berlin- 26 June 1683, Schmalkalden) was Landgravine consort of Hesse- Kassel by marriage to William VI, Landgrave of Hesse- Kassel, and regent from 1663 until 1677 during the minority of her sons, William VII, Landgrave of Hesse- Kassel and Charles I, Landgrave of Hesse- Kassel."]], ["Sophie Charlotte of Hesse-Kassel", ["Sophie Charlotte of Hesse- Kassel( 16 July 1678, Kassel \u2013 30 May 1749, B\u00fctzow) was a princess of Hesse- Kassel and by marriage Duchess of Mecklenburg."]], ["William I, Elector of Hesse", ["William I, Elector of Hesse (3 June 1743 \u2013 27 February 1821) was the eldest surviving son of Frederick II, Landgrave of Hesse-Kassel (or Hesse-Cassel) and Princess Mary of Great Britain, the daughter of George II."]], ["Prince William of Hesse-Kassel", ["Prince William of Hesse- Kassel( 24 December 1787 \u2013 5 September 1867), was the first son of Prince Frederick of Hesse- Kassel and Princess Caroline of Nassau- Usingen."]], ["Maximilian of Hesse-Kassel", ["Maximilian of Hesse- Kassel( 28 May 1689 \u2013 8 May 1753) was a prince of Hesse- Kassel and a Generalfeldzeugmeister, Generalfeldmarschall and finally Reichsgeneralfeldmarschall in the army of the Holy Roman Empire."]], ["Marie Friederike of Hesse-Kassel", ["Marie Frederike of Hesse-Kassel (14 September 1768, Hanau \u2013 17 April 1839, Hanau) was a German noblewoman and by marriage Princess and later Duchess of Anhalt-Bernburg.", "She was a daughter of William I, Elector of Hesse, and his wife, Princess Wilhelmina Caroline of Denmark."]], ["George Charles of Hesse-Kassel", ["George Charles of Hesse-Kassel (8 January 1691 \u2013 5 March 1755) was a prince of Hesse-Kassel and a Prussian General."]], ["William VII, Landgrave of Hesse-Kassel", ["William VII of Hesse- Kassel( 21 June 1651 \u2013 21 November 1670) was Landgrave of Hesse- Kassel."]], ["Hedwig of Hesse-Kassel", ["Hedwig of Hesse- Kassel( born 30 June 1569 in Kassel; died: 7 July 1644 in Hagen) was a princess of Hesse- Kassel by birth and by marriage a Countess of Schaumburg."]]]
supporting_facts: [["Marie Friederike of Hesse-Kassel", 1], ["William I, Elector of Hesse", 0]]
evidences: [["Marie Frederike of Hesse-Kassel", "father", "William I, Elector of Hesse"], ["William I, Elector of Hesse", "mother", "Princess Mary of Great Britain"]]
answer: Princess Mary of Great Britain