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.
Archduchess Yolande of Austria
Archduchess Yolande of Austria( née Princesse Yolande Marie Jeanne Charlotte de Ligne; born 6 May 1923) is the widow of Archduke Carl Ludwig of Austria.
Archduke Carl Ludwig of Austria (1918–2007)
Archduke Carl Ludwig of Austria
(Carl Ludwig Maria Franz Joseph Michael Gabriel Antonius Robert Stephan Pius Gregor Ignatius Markus d'Aviano; 10 March 1918 – 11 December 2007), also known as Carl Ludwig Habsburg-Lothringen, was the fifth child of Charles I of Austria and Princess Zita of Bourbon-Parma.
He was born in Baden bei Wien and died in Brussels.
Eduard von Habsburg
Eduard von Habsburg( born January 12, 1967), also known as Archduke Eduard of Austria is Hungary ’s ambassador to the Holy See and Sovereign Military Order of Malta.
He is son of Archduke Michael of Austria( Archduke Joseph Francis's youngest child) and the great- great- grandson of Emperor Franz Joseph I.
He is married to Baroness Maria Theresia von Gudenus, descendant of Archduke Johann of Austria and has six children.
Archduchess Marie Astrid of Austria
Archduchess Marie Astrid of Austria( née" Princess Marie Astrid of Luxembourg"; born 17 February 1954 at Castle Betzdorf) is the elder daughter and eldest child of Grand Duke Jean of Luxembourg and Joséphine- Charlotte of Belgium, and the wife of Archduke Carl Christian of Austria.
Archduchess Maria Annunciata of Austria
Archduchess Maria Annunciata of Austria (13 July 1876 – 8 April 1961) was a daughter of Archduke Karl Ludwig of Austria and his third wife, Infanta Maria Theresa of Portugal.
She was Princess-Abbess of the Theresian Royal and Imperial Ladies Chapter of the Castle of Prague (1894–1918).
Mordechai Breuer (historian)
Mordechai Breuer( 1918–2007) was a German- Jewish historian and writer.
Mercè Prat i Prat
Blessed Mercè Prat
i
Prat (6 March 1880 - 24 July 1936) was
a Spanish Roman Catholic professed religious of the Teresian Sisters.
Her profession saw her assume the religious name of "Maria Mercè of the Sacred Heart".
Prat was killed during the Spanish Civil War on the charge of being a nun.
Her cause for sainthood commenced in 1969 - in which she received the title of Servant of God - while Pope John Paul II beatified her on 29 April 1990 in Saint Peter's Square.
Archduke Carl Christian of Austria
Archduke Carl Christian of Austria( born 26 August 1954 at Château de Belœil in Belœil, Belgium) is a Belgian aristocrat and a member of the formerly ruling Austro- Hungarian House of Habsburg- Lorraine.
He is the third child of Archduke Carl Ludwig of Austria and his wife, Princess Yolande de Ligne.
Archduchess Elisabeth Amalie of Austria
Archduchess Elisabeth Amalie of Austria (7 July 1878 – 13 March 1960) was a daughter of Archduke Karl Ludwig of Austria and his third wife Infanta Maria Theresa of Portugal.
She was the mother of Franz Joseph II, Prince of Liechtenstein, and the paternal grandmother of Hans-Adam II, Prince of Liechtenstein.

Question: Who was born first out of Archduke Carl Ludwig Of Austria (1918–2007) and Mercè Prat I Prat?
Answer: Mercè Prat I Prat