Princess Marie Luise Charlotte of Hesse-Kassel
Princess Marie Luise Charlotte of Hesse- Kassel,( 9 May 1814 – 28 July 1895) was a member of the House of Hesse- Kassel by birth.
Through her marriage to Prince Frederick Augustus of Anhalt- Dessau, she became a princess of Anhalt- Dessau.
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.
Prince William of Hesse-Kassel
Prince William of Hesse- Kassel( 24 December 1787 – 5 September 1867), was the first son of Prince Frederick of Hesse- Kassel and Princess Caroline of Nassau- Usingen.
William VII, Landgrave of Hesse-Kassel
William VII of Hesse- Kassel( 21 June 1651 – 21 November 1670) was Landgrave of Hesse- Kassel.
Prince Frederick of Hesse-Kassel
Prince Frederick of Hesse-Kassel (11 September 1747 – 20 May 1837) was a younger member of the dynasty that ruled the Landgraviate of Hesse-Kassel (or Hesse-Cassel) and a Danish general.
He was born as the youngest son of Hereditary Prince Frederick of Hesse-Kassel (the future Landgrave Frederick II) and Princess Mary of Great Britain.
He was the last surviving grandchild of George II of Great Britain, dying one month before Queen Victoria (granddaughter of his first cousin King George III) ascended to the throne.
Sophie Charlotte of Hesse-Kassel
Sophie Charlotte of Hesse- Kassel( 16 July 1678, Kassel – 30 May 1749, Bützow) was a princess of Hesse- Kassel and by marriage Duchess of Mecklenburg.
Alexander Frederick, Landgrave of Hesse
Alexander Frederick, Landgrave of Hesse( 25 January 1863, Copenhagen – 26 March 1945) was a Hessian Prince.
He was the son of Prince Frederick William of Hesse- Kassel and Princess Anna of Prussia.
From 1888–1925 he was Head of the House of Hesse, but abdicated his position to his brother Prince Frederick Charles of Hesse.
He was visually handicapped from birth, and this, in addition to his morganatic marriage, played a part in his decision to abdicate.
George Charles of Hesse-Kassel
George Charles of Hesse-Kassel (8 January 1691 – 5 March 1755) was a prince of Hesse-Kassel and a Prussian General.
Frederick II, Landgrave of Hesse-Kassel
Frederick II
(14 August 1720 – 31 October 1785) was Landgrave of Hesse-Kassel (or Hesse-Cassel) from 1760 to 1785.
He ruled as an enlightened despot, and raised money by renting soldiers (called "Hessians") to Great Britain to help fight the American Revolutionary War.
He combined Enlightenment ideas with Christian values, cameralist plans for central control of the economy, and a militaristic approach toward international diplomacy.
Charles I, Landgrave of Hesse-Kassel
Charles of Hesse- Kassel( 3 August 1654 – 23 March 1730), of the House of Hesse, was the Landgrave of Hesse- Kassel from 1670 to 1730.

Question: When did Prince Frederick Of Hesse-Kassel's father die?
Answer: 31 October 1785