Question: When is Archduchess Maria Antonia Of Austria (1899–1977)'s father's birthday?

Knowledge 1: 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. [SEP] Knowledge 2: Archduke Leopold Salvator of Austria
Archduke Leopold Salvator, Prince of Tuscany(Leopold Salvator Maria Joseph Ferdinand Franz von Assisi Karl Anton von Padua Johann Baptist Januarius Aloys Gonzaga Rainer Wenzel Galius von Österreich-Toskana)(15 October 1863 – 4 September 1931), was the son of Archduke Karl Salvator of Austria and Princess Maria Immaculata of Bourbon-Two Sicilies.
Knowledge 1: 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. [SEP] Knowledge 2: Maria Antonia of Austria
Maria Antonia of Austria (Maria Antonia Josepha Benedicta Rosalia Petronella; 18 January 1669 – 24 December 1692) was an Electress of Bavaria by marriage to Maximilian II Emanuel, Elector of Bavaria.She was the eldest daughter and only surviving child of Holy Roman Emperor Leopold I and his wife Margaret Theresa of Spain.She was the heir to the Spanish throne after her maternal uncle Charles II of Spain from 1673 until her death.
Knowledge 1: 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. [SEP] Knowledge 2: Archduchess Maria Antonia of Austria (1858–1883)
Archduchess Maria Antonia of Austria, Princess of Tuscany ("Maria Antonia Leopoldina Annunciata Anna Amalia Josepha Johanna Thelka"; 10 January 1858 – 13 April 1883) was a member of the House of Habsburg-Lorraine.She served as the Princess-Abbess of the Theresian Royal and Imperial Convent in Hradčany from 1881 until her death in 1883.

Answer: 15 October 1863