Prince Frederick of Württemberg
Prince" Frederick" Charles Augustus of Württemberg( 21 February 1808 – 9 May 1870) was a General in the Army of Württemberg and the father of William II of Württemberg.
Frederick was a member of the Royal Family of Württemberg and a Prince of Württemberg.
Pauline Therese of Württemberg
Pauline of Württemberg (4 September 1800 – 10 March 1873) was a daughter of Duke Louis of Württemberg and Princess Henriette of Nassau-Weilburg.
She married her first cousin King William I of Württemberg and was his consort.
Charles Christian Erdmann, Duke of Württemberg-Oels
Karl Christian Erdmann of Württemberg-Oels (26 October 1716 in Wilhelminenort near Bernstadt – 14 December 1792 in Oels) was ruling duke of Württemberg-Oels and Bernstadt.
He was the only son of Christian Ulrich II, Duke of Württemberg-Wilhelminenort and Philippine Charlotte (18 February 1691 - Oels, 17 June 1758), a daughter of Count Erdmann of Redern-Krappitz.
He had a daughter, Princess Friederike Sophie Charlotte Auguste of Württemberg-Oels (1 August 1751 – 4 November 1789), who married Frederick Augustus, Prince of Brunswick-Wolfenbüttel-Oels.
Their marriage was childless.
Princess Catherine of Württemberg
Princess Catherine Frederica Charlotte of Württemberg (Stuttgart, 24 August 1821 – Stuttgart, 6 December 1898) was a daughter of William I of Württemberg and Pauline Therese of Württemberg.
She was the mother of William II of Württemberg.
Louis Frederick, Duke of Württemberg-Montbéliard
Louis Frederick of Württemberg- Montbéliard( 29 January 1586 in Montbéliard – 26 January 1631 in Montbéliard) was the founder of a cadet line of the House of Württemberg known as the Dukes of Württemberg- Montbéliard.
Louis Frederick of Württemberg was born at Montbéliard Castle as the fifth child and second son of Duke Frederick I of Württemberg, and princess Sibylla of Anhalt.
Duchess Auguste of Württemberg
Duchess "Auguste" Elisabeth of Württemberg (in German: "Auguste Elisabeth, Herzogin von Württemberg"; 30 October 1734 – 4 June 1787) was a member of the Ducal House of Württemberg and a Duchess of Württemberg by birth.
Through her marriage to Karl Anselm, 4th Prince of Thurn and Taxis, Auguste was also a member of the Princely House of Thurn and Taxis and Princess consort of Thurn and Taxis.
Karl Anselm, 4th Prince of Thurn and Taxis
Karl Anselm, 4th Prince of Thurn and Taxis, full German name: "Karl Anselm Fürst von Thurn und Taxis" (2 June 1733 – 13 November 1805) was the fourth Prince of Thurn and Taxis, Postmaster General of the Imperial Reichspost, and Head of the Princely House of Thurn and Taxis from 17 March 1773 until his death on 13 November 1805.
Karl Anselm served as "Prinzipalkommissar" at the Perpetual Imperial Diet in Regensburg for Joseph II, Holy Roman Emperor and Francis II, Holy Roman Emperor from 1773 to 1797.
Princess Augusta of Württemberg
Princess Augusta of Württemberg( 4 October 1826 in Stuttgart – 3 December 1898, ibid.) was a daughter of King William I of Württemberg and his wife, Pauline of Württemberg.
Christoph, Duke of Württemberg
Christoph of Württemberg, Duke of Württemberg (12 May 1515 – 28 December 1568) ruled as Duke of Württemberg from 1550 until his death in 1568.
Hieronim Wincenty Radziwiłł
Prince Hieronim Wincenty Radziwiłł( May 11, 1759 – September 18, 1786) was a Polish nobleman, prince, diplomat, politician and Knight of the Order of the White Eagle, awarded in 1780.
He was Count of Kleck, Great Cupbearer of Lithuania from 1779 and governor of Minsk.
He married Princess Sophie Friederike of Thurn and Taxis, daughter of Karl Anselm, 4th Prince of Thurn and Taxis and his wife Duchess Auguste of Württemberg, on December 31, 1775 in Regensburg.
He was decorated with the Order of Saint Hubert.

Question: What is the date of death of Duchess Auguste Of Württemberg's husband?
Answer: 13 November 1805