Frederick, Hereditary Prince of Baden-Durlach
Frederick, Hereditary Prince of Baden-Durlach (7 October 1703 – 26 March 1732) was a German hereditary prince of the Margraviate of Baden-Durlach.
Frederick was the son of Charles III William, Margrave of Baden-Durlach, and Magdalena Wilhelmine of Württemberg (7 November 1677 - 30 October 1742), the daughter of William Louis, Duke of Württemberg.
He became heir apparent when his elder brother Charles Magnus died in 1712.
However, he died before his father did and therefore never came to government in Durlach.
He served in the imperial army.
In 1724, he was appointed colonel, in 1728, he was promoted to major general.
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.
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.
Magdalena Sibylla of Hesse-Darmstadt
Landgravine Magdalena Sibylla of Hesse-Darmstadt (28 April 1652 – 11 August 1712) was regent of the Duchy of Württemberg from 1677 to 1693, and was a prominent German composer of baroque hymns.
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.
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.
Magdalena Wilhelmine of Württemberg
Magdalena Wilhelmine of Württemberg (7 November 1677, Stuttgart – 30 October 1742, Karlsburg Castle, Durlach) was a margravine of Baden.
She had a place in the regency during the minority of her grandson in 1738-42.
She was the daughter of Duke William Louis of Württemberg and Magdalena Sibylla of Hesse-Darmstadt.
In order to strengthen the ties between Baden and Württemberg, she married on 27 June 1697 the Hereditary Prince of Baden and later Margrave Charles William of Baden-Durlach.
As Magdalena Wilhelmine had a big nose and blemishes, she did not meet the ideals of beauty held by Karl Wilhelm, who loved beautiful women.
After she bore him a son and heir, the couple separated.
When in 1715 Charles William founded his new residence Karlsruhe, he alone moved into the new palace, while his wife remained in the Karlsburg Castle.
After Charles III William died in 1738, Magdalena Wilhelmine held a post in the guardian government for her nine-year-old grandson Charles Frederick.
After her death she was buried in the margraviate tomb in St. Michael's church in Pforzheim .
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.
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.
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.

Question: When did Magdalena Wilhelmine Of Württemberg's mother die?
Answer: 11 August 1712