Yolande de Polastron
Yolande Martine Gabrielle de Polastron, Duchess of Polignac( 8 September 17499 December 1793) was the favourite of Marie Antoinette, whom she first met when she was presented at the Palace of Versailles in 1775, the year after Marie Antoinette became the Queen of France.
She was considered one of the great beauties of pre-Revolutionary society, but her extravagance and exclusivity earned her many enemies.
Claude François Chauveau-Lagarde
Claude François Chauveau- Lagarde( 1756 in Chartres – 1841 in Paris) was a lawyer who came into the public spotlight in the early stages of the French Revolution.
He defended many notable cases during the Reign of Terror, including that of Marie Antoinette.
Edme-Bonaventure Courtois
Edme-Bonaventure Courtois( born 15 July, 1754 in Troyes, France- died on 6 December 1816 in Brussels) was a deputy of the National Convention.
He found the will of Marie- Antoinette in the collection of papers of Robespierre hidden under his bed.
Marie Antoinette Murat
Marie Antoinette Murat, (3 January 1793, Labastide-Murat, Lot, French Republic – 19 January 1847, Sigmaringen, Principality of Hohenzollern-Sigmaringen) was a member of the House of Murat.
Through her marriage to Charles, Prince of Hohenzollern-Sigmaringen, Marie Antoinette was also a member of the House of Hohenzollern-Sigmaringen and Princess consort of Hohenzollern-Sigmaringen.
Marie Antoinette was the niece of Joachim Murat, King of Naples from 1808 to 1815 and a brother-in-law of Napoleon Bonaparte, through marriage to Napoleon's youngest sister, Caroline Bonaparte.
Duchess Marie Antoinette of Mecklenburg
Duchess Marie Antoinette of Mecklenburg-Schwerin, also "Manette" (Marie Antoinette Margarethe Mathilde; 28 May 1884 – 26 October 1944) was the second daughter of Duke Paul Frederick of Mecklenburg and the Austrian-born Princess Marie of Windisch-Graetz.
Karl Anton, Prince of Hohenzollern
Prince Karl Anton of Hohenzollern- Sigmaringen( 7 September 1811 – 2 June 1885) was head of the Princely House of Hohenzollern- Sigmaringen, Hohenzollern from 1869 and Prime Minister of Prussia.
He was the son of Karl, Prince of Hohenzollern- Sigmaringen, who abdicated in favour of his son on 27 August 1848, and his first wife Marie Antoinette Murat, niece of Joachim Murat.
Countess Lerchenfeld
Marie Walburge Gräfin Lerchenfeld, also known as Countess Lerchenfeld or Madame de Lerchenfeld, (died 1769) served Maria Theresa in Vienna as the governess of several of her children.
Marie Antoinette, future queen of France, was among her charges.
She appears in the book "Marie Antoinette: Princess of Versailles" from "The Royal Diaries".
In the book, she is a wonderful dancer and a kind woman, whom Marie Antoinette affectionately calls "Lulu".
Jean Bart (writer)
Jean Bart( 1879 /1880 – 1955; pseudonym of Marie Antoinette( de) Sarlabous) was an American playwright and screenwriter.
Her works included: She died March 6, 1955 in New York City, at the age of 75.
Marie-Jeanne de Mailly
Marie- Jeanne de Mailly( 1747- 1792) was a French court official.
She served as the dame d'atours to queen Marie Antoinette in 1775- 1781.
She was the daughter of count Gabriel- Marie de Talleyrand- Périgord( 1726- 1797) and Marie- Françoise- Marguerite de Talleyrand- Périgord and married in 1762 duke Louis- Marie de Mailly( 1744- 1795).
She was appointed lady- in- waiting to Marie Antoinette in 1770, and became dame d'atour in 1775.
During her tenure, the costs of Marie Antoinette's wardrobe raised to enormous levels.
In contrast to her predecessor, Mailly does not seem to have curbed this development.
Her successor started to work to reduce the costs of the queen's wardrobe.
Karl, Prince of Hohenzollern-Sigmaringen
Karl, Prince of Hohenzollern-Sigmaringen (20 February 1785 – 11 March 1853) was the reigning Prince of Hohenzollern-Sigmaringen from 1831 to 1848.
In 1833, Karl summoned a constitutional assembly ("Landtag") and promulgated a constitutional charter as the law in his lands.
He founded a hospital for his subjects, and had the "Ständehaus" built on the modern "Leopoldsplatz" in Sigmaringen (today owned by the Hohenzollerische Landesbank).
Karl also removed the burden of serfdom and various other medieval laws.
During the Revolutions of 1848 in the German states Karl abdicated in favor of his son, Karl Anton, on 27 August 1848.
His marriage as hereditary prince at the imperial court in Paris on 4 February 1808 to Princess Antoinette Murat, a niece of Napoleon
I's brother-in-law, the French Marshal Joachim Murat who was then Grand Duke of Berg, constituted a union between extended family members of the previously warring French imperial and Prussian royal dynasties following Napoleonic victories on the European continent.
Following the death of his first wife on 19 January 1847, Karl married Princess Katharina (1817–1893), daughter of Karl III Albrecht, last reigning Prince of Hohenlohe-Waldenburg-Schillingsfürst, and the widow since 1845 of Count Franz Erwin von Ingelheim, on 14 March 1848.
He died on 11 March 1853 in Bologna, while traveling to Rome.

Question: Where did Marie Antoinette Murat's husband die?
Answer: Bologna