Duke Eugen of Württemberg (1846–1877)
Duke Eugen of Württemberg( 20 August 1846 – 27 January 1877) was a German prince and a staff officer of Württemberg.
Princess Augusta of Württemberg
Princess Augusta of Württemberg( 4 October 1826 in Stuttgart – 3 December 1898, ibid.) was a daughter of King William I of Württemberg and his wife, Pauline of Württemberg.
Frederick Augustus, Duke of Württemberg-Neuenstadt
Frederick Augustus of Württemberg-Neuenstadt (Neuenstadt am Kocher, 12 March 1654 – 6 August 1716 in Gochsheim) was Duke of Württemberg and second Duke of Württemberg-Neuenstadt.
Princess Catherine of Württemberg
Princess Catherine Frederica Charlotte of Württemberg (Stuttgart, 24 August 1821 – Stuttgart, 6 December 1898) was a daughter of William I of Württemberg and Pauline Therese of Württemberg.
She was the mother of William II of Württemberg.
Louis Frederick, Duke of Württemberg-Montbéliard
Louis Frederick of Württemberg- Montbéliard( 29 January 1586 in Montbéliard – 26 January 1631 in Montbéliard) was the founder of a cadet line of the House of Württemberg known as the Dukes of Württemberg- Montbéliard.
Louis Frederick of Württemberg was born at Montbéliard Castle as the fifth child and second son of Duke Frederick I of Württemberg, and princess Sibylla of Anhalt.
Grand Duchess Vera Konstantinovna of Russia
Grand Duchess Vera Konstantinovna of Russia (16 February 1854 – 11 April 1912) was a daughter of Grand Duke Konstantine Nicholaievich of Russia.
She was a granddaughter of Tsar Nicholas I and first cousin of Tsar Alexander III of Russia.
She had a difficult childhood marked by illness and tantrums.
In 1863, while her father was Viceroy of Poland, she was given away to be raised by her childless uncle and aunt, King Karl and Queen Olga of Württemberg.
Vera's condition improved in their home and she outgrew her disruptive behavior.
In 1871 she was legally adopted by Karl and Olga, who arranged her marriage in 1874 to Duke Eugen of Württemberg (1846–1877), a member of the Silesian ducal branch of the family.
Her husband died suddenly three years later.
Vera, only twenty-three years old, did not remarry, dedicating herself to her twin daughters.
At the death of King Karl in 1891, Vera inherited a considerable fortune and she turned her home into a cultural gathering place.
She was a popular figure in Württemberg, notable for her charitable work.
Grand Duchess Vera was known in royal circles as an eccentric both in appearance and behavior.
Although she kept in touch with her Romanov relatives, visiting Russia many times, she identified more closely with her adopted country.
In 1909 she abandoned Orthodox Christianity and converted to Lutheranism.
She died two years later after a stroke.
Prince Frederick of Württemberg
Prince" Frederick" Charles Augustus of Württemberg( 21 February 1808 – 9 May 1870) was a General in the Army of Württemberg and the father of William II of Württemberg.
Frederick was a member of the Royal Family of Württemberg and a Prince of Württemberg.
Duchess Elsa of Württemberg
Duchess Elsa of Württemberg (Elsa Mathilde Marie; 1 March 1876 – 27 May 1936) was a daughter of Duke Eugen of Württemberg and Grand Duchess Vera Constantinovna of Russia.
She married Prince Albert of Schaumburg-Lippe.
Christoph, Duke of Württemberg
Christoph of Württemberg, Duke of Württemberg (12 May 1515 – 28 December 1568) ruled as Duke of Württemberg from 1550 until his death in 1568.
Pauline Therese of Württemberg
Pauline of Württemberg (4 September 1800 – 10 March 1873) was a daughter of Duke Louis of Württemberg and Princess Henriette of Nassau-Weilburg.
She married her first cousin King William I of Württemberg and was his consort.

Question: When was Duchess Elsa Of Württemberg's mother born?
Answer: 16 February 1854