Fanny de Beauharnais
Fanny de Beauharnais, née Marie- Anne -Françoise Mouchard( 4 October 1737, Paris – 2 July 1813), was a French lady of letters and salon- holder.
She was the mother of French politician Claude de Beauharnais.
She was the grandmother of Stéphanie de Beauharnais, Grand Duchess of Baden, and through her she is the ancestor of former royal families of Romania and Yugoslavia, and the present royal families of Belgium, of Luxembourg and of Monaco.
Claude de Beauharnais (1680–1738)
Claude de Beauharnais (22 September 1674 – 15 January 1738) was a French nobleman.
He was "sieur" de Beaumont et de Bellechauve, captain "des vaisseaux du roi", and a knight of the Order of Saint Louis.
He was the son of François IV de Beauharnais, seigneur de La Boische and his wife Marie Marguerite-Françoise Puyvart de Chastullé.
In 1713, Claude de Beauharnais married Renée Hardouineau (daughter of Pierre Hardouineau, seigneur de La Laudanière and his wife
Renée Le Pays de Beauville).
They had two children:
Through his son François, Claude became grandfather of Alexandre de Beauharnais, great-grandfather of Eugène de Beauharnais and Hortense de Beauharnais.
Auguste, Duke of Leuchtenberg
Auguste Charles Eugène Napoléon, Duke of Leuchtenberg (9 December 1810 – 28 March 1835) was the first prince consort of Maria II of Portugal.
Besides being the 2nd Duke of Leuchtenberg and 2nd Prince of Eichstätt, he also held the Brazilian noble title of Duke of Santa Cruz.
Nicolas de Leuchtenberg
Nicolas de Leuchtenberg(" Nicolas Alexander Fritz"; born 12 October 1933, Munich) is a claimant to the Dukedom of Leuchtenberg.
He is the son of Nicolas Nicolaïevitch de Leuchtenberg and his wife Élisabeth Müller- Himmler, and is thus a direct male line descendant of Eugène de Beauharnais, first Duke of Leuchtenberg and son of Alexandre de Beauharnais and Joséphine de Beauharnais, first wife of Napoleon Bonaparte.
On 24 August 1962, he married Anne Bügge( born 1936), with whom he has two children:
Napoléon Charles Bonaparte
Napoléon Louis Charles Bonaparte( 10 October 1802 – 5 May 1807) was the eldest son of Louis Bonaparte and Hortense de Beauharnais.
His father was Emperor Napoleon I's younger brother; his mother was the daughter of Napoleon's first wife, Josephine de Beauharnais.
François IV de Beauharnais
François IV de Beauharnais( 1630 in Orléans – 1681 in Orléans), squire, sieur de la Grillère( at Vouzon, Loir- et- Cher) and sieur de la Boische, was a French nobleman.
His father was Jean de Beauharnais( 1606 – 1661), maître d' Hôtel ordinaire du roi( one of the seven children of Anne Brachet and her husband François II de Beauharnais).
His mother was Marie Mallet, and he had 2 siblings.
In 1663 he married Marguerite Françoise Pivart de Chastullé- among their 14 children was the politician Claude de Beauharnais( 1674 – 1738).
Francis IV of Beauharnais was one of the great- grandfathers of the family Eslandoost de Beauville.
Claude de Beauharnais (1717–1784)
Claude de Beauharnais( 1717–1784) was a French nobleman.
He was the second son of Claude de Beauharnais( 1680 – 1738).
Théodolinde de Beauharnais
Théodolinde de Beauharnais, Princess of Leuchtenberg( 13 April 1814 – 1 April 1857), Countess of Württemberg by marriage, was a Franco- German princess.
She was a granddaughter of Joséphine de Beauharnais, Napoleon's first wife.
Maria II of Portugal
"Dona" Maria II (4 April 1819 – 15 November 1853) "the Educator"  or "the Good Mother" , reigned as Queen of Portugal from 1826 to 1828, and again from 1834 to 1853.
Born in Rio de Janeiro, she was the first child of Emperor Pedro I of Brazil and his first wife, Empress Maria Leopoldina, and thus a member of the House of Braganza.
One of the two surviving children born when Pedro was still heir apparent to Portugal, she inherited Portuguese titles and was placed in the line of succession to the former Portuguese throne, even after becoming a member of the Brazilian Imperial Family, from which she was excluded in 1835 after her definitive ascension to the Portuguese throne.
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.

Question: What is the date of death of Auguste, Duke Of Leuchtenberg's wife?
Answer: 15 November 1853