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.
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.
George III, Landgrave of Hesse-Itter
Landgrave George III of Hesse- Itter( 29 September 1632 in Darmstadt – 19 July 1676 in Hof Lauterbach, now part of Vöhl) was the second son of Landgrave George II of Hesse- Darmstadt and his wife Sophia Eleonore of Saxony( 1609 – 1671).
Since he left no male heir, Hesse- Itter fell back to Hesse- Darmstadt.
Sophia Eleonore of Saxony
Sophia Eleonore of Saxony (23 November 1609 – 2 June 1671) was a duchess of Saxony by birth and the landgravine of Hesse-Darmstadt from 1627 to 1661 through her marriage to Landgrave George II.
She was the eldest surviving child of John George I, Elector of Saxony, and Magdalene Sibylle of Prussia.
Sophia Eleonore of Hesse-Darmstadt
Sophia Eleonore of Hesse- Darmstadt( 7 January 1634 in Darmstadt – 7 October 1663 in Bingenheim, now part of Echzell), was Landgravine of Hesse- Darmstadt by birth and by marriage Landgravine of Hesse- Homburg.
She was a daughter of Landgrave George II of Hesse- Darmstadt( 1605 – 1661) from his marriage to Sophia Eleonore( 1609 – 1671), the daughter of Elector John George I of Saxony.
Louis VI, Landgrave of Hesse-Darmstadt
Louis VI of Hesse-Darmstadt  (25 January 1630 – 24 April 1678) was Landgrave of Hesse-Darmstadt from 1661 to 1678.
He was the eldest of three sons of the Landgrave George II of Hesse-Darmstadt and Sophia Eleonore of Saxony.
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.
John George I, Elector of Saxony
John George I
(German: Johann Georg I.)
(5 March 1585 – 8 October 1656) was Elector of Saxony from 1611 to 1656.
Christine Wilhelmine of Hesse-Homburg
Landgravine Christine Wilhelmine of Hesse- Homburg( 30 June 1653, in Bingenheim – 16 May 1722, in Grabow) was a German noblewoman.
She was the eldest daughter of William Christoph, Landgrave of Hesse- Homburg and his first wife Sophia Eleonore of Hesse- Darmstadt.

Question: When did Sophia Eleonore Of Saxony's father die?
Answer: 8 October 1656