Prince Johann Georg of Saxony
Prince Johann Georg Pius Karl Leopold Maria Januarius Anacletus of Saxony, Duke of Saxony (10 July 1869 – 24 November 1938) was the sixth child and second-eldest son of George of Saxony and his wife Maria Anna of Portugal and a younger brother of the Kingdom of Saxony's last king, Frederick Augustus III of Saxony.
Johann Georg was a well-known arts expert and an avid art collector.
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 Amalie Isabella of Bavaria
Princess Amalie Isabella of Bavaria( December 15, 1921 – March 28, 1985) was a member of the Bavarian Royal House of Wittelsbach.
Maria Emanuel, Margrave of Meissen
Maria Emanuel, Prince of Saxony, Duke of Saxony, Margrave of Meissen( 31 January 1926 – 23 July 2012) was the 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.
Princess Amalie of Hesse-Darmstadt
Princess Amalie of Hesse- Darmstadt( 20 June 1754 – 21 June 1832) was a Hereditary Princess of Baden by marriage to Charles Louis, Hereditary Prince of Baden.
She was the daughter of Ludwig IX, Landgrave of Hesse- Darmstadt and Henriette Karoline of Palatine- Zweibrücken.
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.
Amalie of Baden
Amalie Christina Caroline, Princess of Fürstenberg( née Baroness Amalie of Hochberg, formerly Countess Amalie of Hochberg and Princess Amalie of Baden; 26 January 1795 – 14 September 1869) was the consort of Charles Egon II, Prince of Fürstenberg.
Princess Margaretha of Saxony
Princess Margaretha of Saxony, Duchess of Saxony( 24 May 1840 – 15 September 1858) was the eighth child and fifth eldest daughter of John of Saxony and his wife Amalie Auguste of Bavaria and a younger sister of Albert of Saxony and George of Saxony.
She was born in Dresden, then in the Kingdom of Saxony.
Through her marriage to Archduke Charles Louis of Austria, Margaretha was a member of the House of Habsburg- Lorraine and an Archduchess and Princess of Austria and Princess of Hungary, Croatia, Bohemia, and Tuscany.
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.

Question: Who is the maternal grandfather of Princess Amalie Of Saxony?
Answer: Ferdinand