Archduke Joseph, Palatine of Hungary
Joseph Anton Johann, Archduke of Austria (9 March 1776, Florence – 13 January 1847, Buda), was the Palatine of Hungary from 1796 to 1847.
He was the seventh son of Leopold II, Holy Roman Emperor and Maria Luisa of Spain.
Princess Henriette of Belgium
Princess Henriette of Belgium, later Princess Henriette of Orléans, Duchess of Vendôme( 30 November 1870 – 28 March 1948), was the daughter of Prince Philippe, Count of Flanders, and Princess Marie of Hohenzollern- Sigmaringen.
She was the younger twin sister of Princess Joséphine Marie of Belgium, who died at the age of six weeks in 1871.
Prince Leopold, Duke of Brabant
Prince Leopold of Belgium, Duke of Brabant, Count of Hainaut( 12 June 1859 – 22 January 1869), was the second child and only son of King Leopold II of Belgium and his wife, Marie Henriette of Austria, and heir apparent to the Belgian throne.
Marie Henriette of Austria
Marie Henriette of Austria (Marie Henriette Anne; 23 August 1836 – 19 September 1902) was Queen of the Belgians as the wife of King Leopold II.
Marie Henriette was one of five children from the marriage of Archduke Joseph, Palatine of Hungary, and Duchess Maria Dorothea of Württemberg.
Marie Henriette was a cousin of Emperor Ferdinand I of Austria, and granddaughter of Leopold II, Holy Roman Emperor, through her father.
Maria Anna of Savoy
Maria Anna of Savoy( 19 September 1803 – 4 May 1884) was Empress of Austria and Queen of Hungary( see Grand title of the Empress of Austria) by marriage to Emperor Ferdinand I of Austria.
Archduchess Margaret of Austria (nun)
Margaret of Austria( 1536 – 1567) was an Archduchess of Austria.
Princess Louise of Belgium
Princess Louise Marie Amélie of Belgium( 18 February 1858 in Brussels – 1 March 1924 in Wiesbaden) was the eldest daughter of Leopold II and his wife, Marie Henriette of Austria.
Ludwig I, Count of Württemberg-Urach
Ludwig I( before 31 October 1412 – 23/24 September 1450 in Urach), Count of Württemberg.
He was a son of count Eberhard IV and Henriette of Montbéliard.
He reigned from 1419 until 1450.
After the death of his father count Eberhard IV, he and his brother Ulrich V were put under the tutelage from 1419 to 1426.
Besides his mother Henriette of Montbéliard this guardianship was executed by officials, the so- called Regentschaftsrat( Regency Council).
After his coming of age he reigned Württemberg since 1426, first alone and later, starting in 1433, together with his brother Ulrich V. Ludwig was married to Mechthild of the Palatinate.
The wedding was celebrated on 21 October 1436 in Stuttgart.
After Ulrich's wedding with Margarethe von Cleve, the two brothers agreed on the partition of Württemberg.
This was first limited to four years, but was made permanent by the Treaty of Nürtingen, signed on 23 January 1442.
Ludwig received the part of Urach with the territories in the south and the west of the county, including the territories in Alsace.
After the death of Henriette of Montbéliard in 1444, Ludwig also obtained Montbéliard.
Ludwig remodeled Urach into his residence and implemented an active policy to strengthen the monasteries in his realm of power.
He tried to align Württemberg more with the Wittelsbach and Habsburg dynasties.
For example he supported duke Albert VI of Austria in his fight against the Old Swiss Confederacy.
He died in 1450 as a result of the plague.
Archduchess Elisabeth Marie of Austria
Archduchess Elisabeth Marie of Austria (Elisabeth Marie Henriette Stephanie Gisela; 2 September 1883 – 16 March 1963) was the only child of Rudolf, Crown Prince of Austria and Princess Stéphanie of Belgium, and a granddaughter of Emperor Franz Joseph I of Austria and King Leopold II of the Belgians.
She was known to the family as "Erzsi", a diminutive of her name in Hungarian.
Later nicknamed "The Red Archduchess", she was famous for becoming a socialist and a member of the Austrian Social Democratic Party.
Archduke Otto of Austria (1865–1906)
Archduke Otto Franz Joseph Karl Ludwig Maria of Austria (21 April 1865 – 1 November 1906) was the second son of Archduke Karl Ludwig of Austria (younger brother of Emperor Franz Joseph I of Austria) and his second wife, Princess Maria Annunciata of Bourbon-Two Sicilies.
He was the father of Charles I of Austria, the last Emperor of Austria.

Question: Where was the place of death of Marie Henriette Of Austria's father?
Answer: Buda