Claudia de' Medici
Claudia de' Medici( 4 June 1604 – 25 December 1648) was Regent of the Austrian County of Tyrol during the minority of her son from 1632 until 1646.
She was a daughter of Ferdinando I de' Medici, Grand Duke of Tuscany and Christina of Lorraine.
She was born in Florence, and was named after her grandmother Claude of Valois, herself granddaughter of Claude, Duchess of Brittany, consort to King Francis I of France.
Anna de' Medici, Archduchess of Austria
Anna de' Medici( 21 July 1616 – 11 September 1676) was a daughter of Cosimo II de' Medici, Grand Duke of Tuscany and his wife Maria Maddalena of Austria.
A patron of the arts, she married Ferdinand Charles, Archduke of Further Austria in 1646.
They were the parents of Claudia Felicitas of Austria, Holy Roman Empress.
Leopold V, Archduke of Austria
Leopold V, Archduke of Further Austria (October 9, 1586 – September 13, 1632) was the son of Archduke Charles II of Inner Austria, and the younger brother of Emperor Ferdinand II, father of Ferdinand Charles, Archduke of Further Austria.
He was Bishop of Passau and of Strasbourg, until he resigned to get married, and Archduke of Further Austria including Tirol.
Leopold was born in Graz, and was invested as bishop in 1598, as a child, even though he had not been ordained as a priest; he became Bishop of Strasbourg in 1607, a post which he held until 1626.
From 1609 onwards he fought with his mercenaries in the War of the Jülich succession against Maximilian III, Archduke of Further Austria in Tirol, and 1611 for Rudolf II in Bohemia.
In 1614, he financed the construction of the Church of the Jesuit College of Molsheim, inside of which his coat of arms is since prominently displayed.
In 1619 upon the death of his kinsman and former rival, he became governor of Maximilian's inheritance: Further Austria and Tirol, where he attained the position of a sovereign, i.e. Archduke of Further Austria from 1626 to his death in 1632.
In 1626 he resigned his ecclesiastical positions and married Claudia de' Medici.
He had the Custom House and the Jesuit Church built in Innsbruck.
He fought for the Veltlin and defended Tirol against the Swedes in 1632.
He died in Schwaz, Tirol.
Archduchess Maria of Austria (1584–1649)
Archduchess Maria of Austria( German:" Erzherzogin Maria von Österreich")
( Innsbruck, 16 June
1584 – Innsbruck, 2 March 1649) was the daughter of Ferdinand II, Archduke of Austria and his second wife Anne Juliana Gonzaga.
She became a nun.
Prince Joachim of Belgium, Archduke of Austria-Este
Prince Joachim of Belgium, Archduke of Austria- Este(" Joachim Karl- Maria Nikolaus Isabelle Marcus d' Aviano"; born 9 December 1991), is the younger son and third child of Lorenz, Archduke of Austria- Este and Princess Astrid of Belgium.
Ferdinand Charles, Archduke of Austria
Ferdinand Charles( 17 May 1628 – 30 December 1662) was the Archduke of Further Austria, including Tyrol, from 1646 to 1662.
As the son of Archduke Leopold V and Claudia de' Medici, he succeeded his father upon the latter's death in 1632, under his mother's regency.
He took over his mother's governatorial duties when he came of age in 1646.
To finance his extravagant living style, he sold goods and entitlements.
For example, he wasted the exorbitant sum which France had to pay to the Tyrolean Habsburgs for the cession of their fiefs west of the Rhine( Alsace, Sundgau and Breisach).
He also fixed the border to Graubünden in 1652.
Ferdinand Charles was an absolutist ruler, did not call any diet after 1648 and had his chancellor Wilhelm Biener executed illegally in 1651 after a secret trial.
On the other hand, he was a lover of music: Italian opera was performed in his court.
Giovanni Filippo Apolloni
Giovanni Filippo Apolloni( 1620 – 15 May 1688) was an Italian poet and librettist.
Born in Arezzo, he has sometimes been referred to as" Giovanni Apollonio Apolloni", but the second given name is spurious.
He served as the court poet to Ferdinand Charles, Archduke of Austria at Innsbruck form 1653 until 1659.
On his return to Italy he entered the service of Cardinal Volumnio Bandinelli.
After Bandinelli's death in 1667 Appolloni was in the service of the Chigi family in Rome and Siena for the rest of his life.
He wrote the librettos for a number of operas, the most well- known of which were Antonio Cesti's" L' Argia" and" La Dori", as well as several oratorios and the texts for cantatas by both Cesti and Alessandro Stradella.
Archduke Leopold Joseph of Austria (1682–1684)
Archduke Leopold Joseph of Austria( June 2, 1682 – August 3, 1684) was a son of Emperor Leopold I and Archduke of Austria.
He died in infancy.
Giovanni Antonio Pandolfi Mealli
Giovanni Antonio Pandolfi Mealli( Montepulciano, Tuscany, c. 1630 – Madrid, c. 1669/1670) was an Italian composer and violinist.
Little is known of Pandolfi Mealli.
The annals of the court of Ferdinand Charles, Archduke of Austria in Innsbruck record that he was employed at the court in 1660.
Baroque expert Enrico Gatti reports that Pandolfi Mealli murdered castrato Giovanni Marquett in Messina during an argument in the Duomo, after which he fled first to France and then Spain, where he was employed in the Royal Chapel.
Of his works, his two collections of sonatas for violin and harpsichord( Op. 3 and Op. 4) published 1660 and his trio sonatas(" Sonate Cio Balletti") published 1669 have survived; they are at the Civic Museum of Bologna.
William Young (composer)
William Young( died 23 April 1662) was an English viol player and composer of the Baroque era, who worked at the court of Ferdinand Charles, Archduke of Austria in Innsbruck.
The sonatas which he published in 1653 were some of the earliest sonatas produced by an English composer.

Question: When did Ferdinand Charles, Archduke Of Austria's mother die?
Answer: 25 December 1648