Archduchess Marie Anne of Austria
Marie Anne of Austria(" Maria Anna Franziska Theresia Josepha Medarde"; 8 June 1804 – 28 December 1858) was an Archduchess of Austria and the daughter of Franz II, Holy Roman Emperor and his second wife, Maria Theresa of Naples and Sicily.
Infanta Maria Theresa of Portugal
Infanta Maria
Theresa of Portugal( 24 August 1855 – 12 February 1944) was a Princess of the House of Braganza.
She became by marriage an Archduchess of Austria and also sister- in- law of Emperors Franz Joseph I of Austria and Maximilian I of Mexico, as well as step- grandmother of Emperor Charles I of Austria.
Archduchess Maria Theresa of Austria (1684–1696)
Maria Theresa of Austria (22 August 1684 – 28 September 1696) was a daughter of Leopold I, Holy Roman Emperor and his third wife Eleonore Magdalene of the Palatinate.
Archduchess Maria Theresa of Austria (1845–1927)
Archduchess Maria Theresa of Austria (15 July 1845 – 8 October 1927) was a member of the Austrian house of Habsburg-Lorraine.
Fulgenzio Vitman
Fulgenzio Vitman( 1728–1806) was an Italian clergyman and botanist.
In 1774, he developed the Brera Botanical Garden in Milan out of a former Jesuit garden, under the direction of Maria Theresa of Austria.
Maria Theresa of Austria-Este (1849–1919)
Maria Theresa of Austria-Este (Maria Theresa Henriette Dorothee; 2 July 1849 – 3 February 1919) was the last Queen of Bavaria.
She was the daughter and only child of Archduke Ferdinand of Austria-Este and his wife, Archduchess Elisabeth of Austria.
Archduchess Maria Theresa of Austria (1762–1770)
Archduchess Maria Theresa of Austria (20 March 176223 January 1770) was a daughter of Joseph II, Holy Roman Emperor, and his first wife, Isabella of Parma.
Maria Theresa of Austria (1801–1855)
Maria Theresa of Austria (21 March 1801 – 12 January 1855) was born an Archduchess of Austria and Princess of Tuscany.
She was a daughter of Ferdinand III, Grand Duke of Tuscany, and Luisa of Naples and Sicily.
She was named after her great-great-grandmother Empress Maria Theresa.
In 1817, she married Charles Albert of Sardinia and subsequently became the Queen of Sardinia upon her husband's accession to the throne in 1831.
Anthony of Saxony
Anthony (27 December 1755 in Dresden – 6 June 1836 in Dresden), was a King of Saxony (1827–1836) from the House of Wettin.
He became known as "Anton der Gütige", (en: "Anthony the Kind").
He was the fifth but third surviving son of Frederick Christian, Elector of Saxony, and Maria Antonia of Bavaria.
Maria Theresa of Austria (1767–1827)
Maria Theresa of Austria ("Maria Theresia Josepha Charlotte Johanna"; 14 January 1767 – 7 November 1827) was born an Archduchess of Austria and a Princess of Tuscany.
She was later Queen of Saxony as the second wife and consort of King Anthony of Saxony.

Question: Who is the father-in-law of Maria Theresa Of Austria (1767–1827)?
Answer: Frederick Christian, Elector of Saxony