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.
Charles, Margrave of Burgau
Charles, Margrave of Burgau, also known as" Charles of Austria",( 22 November 1560 at Křivoklát Castle in Bohemia – 30 October 1618 in Überlingen), was the son of Archduke Ferdinand II of Austria and his first morganatic marriage to Philippine Welser.
He was the brother of Andrew of Austria.
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.
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 Elisabeth Franziska of Austria (1892–1930)
Archduchess Elisabeth Franziska Marie Karoline Ignatia Salvator (27 January 1892 – 29 January 1930) was the eldest daughter of Archduke Franz Salvator of Austria and Archduchess Marie Valerie of Austria.
Through her mother, she was a granddaughter of Emperor Franz Joseph I of Austria.
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 Wilhelm Franz of Austria
Archduke Wilhelm Franz Karl of Austria-Teschen (German: Erzherzog Wilhelm Franz Karl von Habsburg-Lothringen, 21 April 1827 – 29 April 1894) was an Archduke of Austria from the House of Habsburg.
He was born in Vienna as the son of Archduke Charles, Duke of Teschen (1771–1847) and Princess Henrietta of Nassau-Weilburg (1797–1829).
He was a grandson of Leopold II (1747–1792) and nephew of Franz II (1768–1835), the last two Holy Roman Emperors.
He held the office of Grand Master of the Teutonic Knights from 1863 until his death in 1894.
He gained the rank of "Feldzeugmeister" in the service of the Austrian Army in January 1867, after commanding the artillery and being wounded at the Battle of Königgrätz (1866).
He was Governor of the Federal Fortress of Mainz.
Archduke Wilhelm of Austria died unmarried and without issue on 29 July 1894 in Weikersdorf after falling from a horse.
He had been riding in Baden when his horse was frightened by a motor car.
The horse bolted, and the Archduke was thrown.
One of his feet remained stuck in the stirrup, and he was dragged more than 100 yards.
He died without regaining consciousness.
His death was attributed to a concussion on the brain.
The archduke was 67 years old.
Archduke Wilhelm of Austria
Archduke Wilhelm Franz of Austria, later Wilhelm Franz von Habsburg- Lothringen( 10 February 1895 – 18 August 1948), also known as Vasyl Vyshyvani, was an Austrian archduke, a colonel of the Ukrainian Sich Riflemen, and a poet.
Princess Henrietta of Nassau-Weilburg
Henrietta Alexandrine Friederike Wilhelmine of Nassau-Weilburg, then of Nassau
(areas now part of Germany) (30 October 1797 Palace Ermitage, Bayreuth – 29 December 1829, Vienna) was the wife of Archduke Charles, Duke of Teschen.
Her husband was a notable general of the Napoleonic Wars and victor of the Battle of Aspern-Essling against Napoleon I of France.
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.

Question: What is the date of birth of Archduke Wilhelm Franz Of Austria's mother?
Answer: 30 October 1797