Prince Christian of Hesse
Prince Christian of Hesse( 14 August 1776 – 14 November 1814) was a German prince and member of the House of Hesse- Kassel.
As a son of the Danish Field Marshal Prince Charles of Hesse- Kassel and Princess Louise of Denmark, he was a member of the extended Danish Royal Family and spent his entire life in Denmark.
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.
William VII, Landgrave of Hesse-Kassel
William VII of Hesse- Kassel( 21 June 1651 – 21 November 1670) was Landgrave of Hesse- Kassel.
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.
Princess Wilhelmina Caroline of Denmark
Princess Wilhelmina" Caroline" of Denmark and Norway( 10 July 1747 in Christiansborg Palace, Copenhagen – 14 January 1820 in Kassel), was the Landgravine consort of Hesse- Kassel and later the Electress of Hesse- Kassel by marriage to William I, Elector of Hesse.
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.
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.
Princess Charlotte of Denmark
Princess Louise Charlotte of Denmark( 30 October 1789 – 28 March 1864) was a Danish princess, and a princess of Hesse- Kassel by marriage to Prince William of Hesse- Kassel.
She played an important role in the succession crisis in Denmark in the first half of the 19th century.
Princess Louise Caroline of Hesse-Kassel
Princess Louise Caroline of Hesse-Kassel (28 September 1789 – 13 March 1867) was the consort of Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg and the matriarch of the House of Schleswig-Holstein-Sonderburg-Glücksburg, which would eventually become the ruling house of the kingdoms of Denmark, Greece, Norway, and the United Kingdom.
Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg
Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg (4 January 1785 – 17 February 1831) inherited the title of Duke of Schleswig-Holstein-Sonderburg-Beck in 1816.
He subsequently changed his title to Duke of Schleswig-Holstein-Sonderburg-Glücksburg in 1825 and founded a line that includes the Royal Houses of Denmark, Greece, Norway, and the Commonwealth realms.

Question: What is the date of birth of Princess Louise Caroline Of Hesse-Kassel's husband?
Answer: 4 January 1785