Princess Carolina of Parma
Carolina Maria Teresa Giuseppa of Parma (22 November 1770 – 1 March 1804) was a Princess of Parma by birth, and Princess of Saxony by marriage to Prince Maximilian of Saxony.
Carolina was the eldest child of Ferdinand, Duke of Parma, and his wife Archduchess Maria Amalia of Austria.
Princess Maria Pia of Bourbon-Parma
Princess Maria Pia of Bourbon- Parma( née Princess Maria Pia of Savoy; born 24 September 1934) is the eldest daughter of Umberto II of Italy and Marie- José of Belgium.
She is the older sister of Princess Maria Gabriella of Savoy, Vittorio Emanuele, Prince of Naples, and Princess Maria Beatrice of Savoy.
Princess Amalie of Saxony
Amalie Marie Friederike Auguste (10 August 1794 – 18 September 1870), Princess of Saxony, full name
Maria Amalia Friederike Augusta Karolina
Ludovica Josepha
Aloysia Anna Nepomucena Philippina Vincentia Franziska de Paula Franziska de Chantal, was a German composer writing under the pen name "A. Serena", and a dramatist under the name "Amalie Heiter".
She was the daughter of Prince Maximilian of Saxony and Princess Carolina of Parma.
She was the granddaughter of Frederick Christian, Elector of Saxony; niece of Frederick Augustus I, King of Saxony and Anthony, King of Saxony; sister of Frederick Augustus II, King of Saxony and John, King of Saxony; and aunt of Albert, King of Saxony and George, King of Saxony.
Princess Maria Josepha of Saxony (1867–1944)
Princess Maria Josepha of Saxony( 31 May 1867 – 28 May 1944) was the mother of Emperor Charles I of Austria and the fifth child of George of Saxony and Infanta Maria Anna of Portugal.
Maria Anna of Bavaria (1805–1877)
Princess Maria Anna of Bavaria (27 January 1805 – 13 September 1877) was Queen Consort of Saxony from 1836 to 1854.
Princess Maria Alix of Saxony
Princess" Maria Alix" of Saxony, Duchess of Saxony( 27 September 1901 – 11 December 1990) was the sixth child and third- eldest daughter of Frederick Augustus III of Saxony and his wife Archduchess Luise of Austria, Princess of Tuscany and a younger sister of Georg, Crown Prince of Saxony and Friedrich Christian, Margrave of Meissen.
Through her marriage to Franz Joseph, Prince of Hohenzollern- Emden, Maria Alix was a member of the House of Hohenzollern- Sigmaringen.
Princess Maria Ferdinanda of Saxony
Princess Maria Ferdinanda of Saxony (27 April 1796 – 3 January 1865) was a daughter of Maximilian, Crown Prince of Saxony and his first wife Princess Carolina of Parma.
She was by marriage Grand Duchess of Tuscany from 1821 to 1824.
Archduchess Marie Caroline of Austria
Archduchess Maria Carolina Ferdinanda of Austria, Crown Princess of Saxony (8 April 1801 in Vienna, Austria – 22 May 1832 in Pillnitz, Germany).
Prince Daniel of Saxony
Prince Daniel Timo of Saxony, Duke of Saxony( born 23 June 1975) is the oldest son of Prince Rüdiger of Saxony, a disputed Head of the Royal House of Saxony.
Princess Mathilde of Saxony (born 1863)
Princess Mathilde of Saxony, Duchess of Saxony (19 March 1863 – 27 March 1933) was the third child and third-eldest daughter of George of Saxony and his wife, Maria Anna of Portugal.
She was an elder sister of the Kingdom of Saxony's last king, Frederick Augustus III of Saxony.

Question: Who is the maternal grandfather of Princess Maria Ferdinanda Of Saxony?