Archduchess Maria Carolina of Austria (1740–1741)
Archduchess Maria Carolina of Austria (
Maria Carolina Ernestina Antonia Johanna Josefa; 12 January 1740 – 25 January 1741), was the third child and daughter of Archduchess Maria Theresa of Austria, later Holy Roman Empress and Duke Francis of Lorraine.
Maria of Austria, Duchess of Jülich-Cleves-Berg
Archduchess Maria of Austria (15 May 1531 – 11 December 1581) was the daughter of Emperor Ferdinand I from the House of Habsburg and Anna Jagiello.
She married William, Duke of Jülich-Cleves-Berg on 18 July 1546 as his second wife.
Their children were:
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.
Archduke Karl Ludwig of Austria
Archduke Karl Ludwig Joseph Maria of Austria( 30 July
1833 – 19 May 1896) was the younger brother of Franz Joseph I of Austria( 1830 – 1916), the father of Archduke Franz Ferdinand of Austria( 1863 – 1914), whose assassination ignited World War I, and grandfather of the last emperor, Charles I.
Archduke Franz Karl of Austria
Archduke Franz Karl Joseph of Austria (17 December 1802 – 8 March 1878) was a member of the House of Habsburg-Lorraine.
He was the father of two emperors:
Franz Joseph I of Austria and Maximilian I of Mexico.
Through his third son Karl Ludwig, he was the grandfather of Archduke Franz Ferdinand of Austria – whose assassination sparked the hostilities that led to the outbreak of World War I – and the great-grandfather of the last Habsburg emperor Karl I.
Ferdinand II, Archduke of Austria
Ferdinand II, Archduke of Further Austria (Linz, 14 June 1529 – 24 January 1595, Innsbruck) was ruler of Further Austria including Tirol.
The son of Ferdinand I, Holy Roman Emperor, he was married to Philippine Welser in his first marriage.
In his second marriage to Anna Juliana Gonzaga, he was the father of Anna of Tyrol, the would-be Holy Roman Empress.
Archduchess Maria Antonia of Austria (1899–1977)
Archduchess Maria Antonia of Austria (13 July 1899 – 22 October 1977) was a daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain.
She was member of the Tuscan branch of the Imperial House of Habsburg, an Archduchess of Austria and Princess of Tuscany by birth.
In 1919, after the fall of the Austro Hungary Empire, she moved with her family to Spain.
In 1924 she married Ramón de Orlandis y Villalonga, a Spanish aristocrat.
When she became a widow during the Spanish civil war Archduchess Maria Antonia moved permanently to South America where she remarried.
Archduchess Maria of Austria (1584–1649)
Archduchess Maria of Austria
(German: "Erzherzogin Maria von Österreich")
(Innsbruck, 16 June 1584 – Innsbruck, 2 March 1649) was the daughter of Ferdinand II, Archduke of Austria and his second wife Anne Juliana Gonzaga.
She became a nun.
Archduchess Maria Elisabeth of Austria (1737–1740)
Archduchess Maria Elisabeth of Austria( Full name( German):" Maria Elisabeth Amalia Antonia Josefa Gabriele Johanna Agathe"; 5 February 1737 – 7 June 1740), was the eldest child and daughter of Archduchess Maria Theresa of Austria, later Queen of Hungary and Bohemia, and Duke Francis of Lorraine, later Francis I, Holy Roman Emperor.
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.

Question: Who is Archduchess Maria Of Austria (1584–1649)'s paternal grandfather?
Answer: Ferdinand I, Holy Roman Emperor