Margaret of Bavaria, Duchess of Slavonia
Margaret of Bavaria (1321–1374) was the eldest child of Louis IV, Holy Roman Emperor, and Margaret II, Countess of Hainaut.
In Ofen in 1351, Margaret married Stephen, Duke of Slavonia, the youngest son of King Charles I of Hungary and Elizabeth of Poland.
The couple's first child, Elizabeth, was born the next year, and was followed by John in 1354.
Upon Stephen's death the same year, John inherited the duchy, with Duchess Margaret as his guardian.
The Duchess remarried in 1356, choosing Gerlach von Hohenlohe as her second husband, but kept the regency over Slavonia, Croatia and Dalmatia.
However, a war broke out between the Kingdom of Hungary and the Republic of Venice in the spring of the same year and the royal court decided to end the duchy's autonomy.
Margaret was thus deprived of power.
John, who had been recognised as heir presumptive of both Hungary and Poland, died in 1360.
She died in 1374 and was survived by her daughter and second husband.
Margaret of France, Duchess of Berry
Margaret of France, Duchess of Berry (French: "Marguerite de Valois")
(5 June 1523 – 15 September 1574) was the daughter of King Francis I of France and Claude, Duchess of Brittany.
Margaret of France, Duchess of Brabant
Margaret of France( 1254–1271) was a daughter of Louis IX of France and his wife Margaret of Provence.
She was a member of the House of Capet and was Duchess of Brabant by her marriage to John I, Duke of Brabant.
Princess Augusta of Bavaria
Princess Augusta of Bavaria, Duchess of Leuchtenberg( Strasbourg, 21 June
1788 – Munich, 13 May 1851) was the second child and eldest daughter of Maximilian I Joseph of Bavaria and Princess Augusta Wilhelmine of Hesse- Darmstadt.
By marriage, she was a French Princess.
Agnes of Burgundy, Duchess of Bourbon
Agnes of Burgundy( 1407 – 1 December 1476), duchess of Bourbon( Bourbonnais) and Auvergne, countess of Clermont, was the daughter of John the Fearless( 1371 – 1419) and Margaret of Bavaria.
Her maternal grandparents were Albert I, Duke of Bavaria and Margaret of Brieg.
Her paternal grandparents were Philip the Bold and Margaret III, Countess of Flanders.
Judith of Bavaria, Duchess of Swabia
Judith of Bavaria, Duchess of Swabia( 19 May 1100 – 27 Aug 1130) was a Duchess of Swabia by marriage to Frederick II, Duke of Swabia.
She was the mother of Frederick I, Holy Roman Emperor, known to history as" Barbarossa".
Stephen of Anjou
Stephen (20 August 1332 – 9 August 1354) was a Hungarian royal prince of the Capetian House of Anjou.
He was the youngest son of Charles I of Hungary and Elizabeth of Poland to survive childhood.
He was styled as duke of Slavonia from 1339 to 1346, but he had no role in the government of the province.
Stephen's separate household was set up in 1349.
In this year, he received the counties of Szepes and Sáros from his brother, Louis I of Hungary.
Louis made him duke of Transylvania in late 1349, but soon appointed him to administer Slavonia.
Stephen was regarded his childless brother's heir.
He and his mother governed the kingdom during Louis's first campaign of Naples in 1350.
Late in the same year, Stephen was again made duke of Transylvania, but from 1352 to 1353 he was styled duke of Szepes and Sáros.
Thereafter, he was entrusted with the administration of Croatia, Dalmatia and Slavonia.
He died on his return from a campaign against Serbia.
His infant son, John, inherited his duchy.
Duchess Maria Anna Josepha of Bavaria
Maria Anna Josepha of Bavaria(" Maria Anna Josepha Augusta"; 7 August 1734 – 7 May 1776) was a Duchess of Bavaria by birth and Margravine of Baden- Baden by marriage.
She was nicknamed the" savior of Bavaria".
She is also known as" Maria Josepha" and is sometimes styled as a" princess of Bavaria".
Margaret of Bavaria, Electress Palatine
Margaret of Bavaria (7 November 1456 – 25 January 1501) was a princess of Bavaria-Landshut and by marriage Princess of the Palatinate.
Katherine of Bavaria
Katherine of Bavaria( c. 1361–1400 AD, Hattem), was the eldest child of Albert I, Duke of Bavaria and his first wife Margaret of Brieg.
She was Duchess of Guelders and Jülich by her marriage to William I of Guelders and Jülich.

Question: What is the date of death of Margaret Of Bavaria, Duchess Of Slavonia's husband?
Answer: 9 August 1354