Elizabeth Charlotte of the Palatinate, Electress of Brandenburg
Elisabeth Charlotte of the Palatinate (19 November 1597 – 26 April 1660) was an Electress consort of Brandenburg as the wife of George William, Elector of Brandenburg and Duke of Prussia, and the mother of Frederick William of Brandenburg, the "Great Elector".
Paul Luther
Paul Luther (28 January 1533 – 8 March 1593) was a German physician, medical chemist, and alchemist.
He was the third son of the German Protestant Reformer Martin Luther and was successively physician to John Frederick II, Duke of Saxony; Joachim II Hector, Elector of Brandenburg; Augustus, Elector of Saxony and his successor Christian I, Elector of Saxony.
He taught alchemy to Anne of Denmark.
Margaret of Baden
Margaret of Baden( 1431 – 24 October 1457) was a Margravine of Baden by birth and by marriage Margravine of Brandenburg- Ansbach and Brandenburg- Kulmbach.
She was the daughter of Jacob, Margrave of Baden- Baden, and his wife Catherine of Lorraine.
In 1446, Margaret married Albert of Brandenburg, the future Albert III Achilles, Elector of Brandenburg, in Heilsbronn.
Margaret died before he succeeded to the Electorate of Brandenburg, thus never served as Electress.
Their marriage produced three sons and three daughters:
Margaret died in Ansbach in 1457 shortly after her husband acquired the Margraviate of Brandenburg- Kulmbach.
Louis IV, Holy Roman Emperor
Louis IV (1 April 1282 – 11 October 1347), called the Bavarian, of the house of Wittelsbach, was King of the Romans from 1314, King of Italy from 1327, and Holy Roman Emperor from 1328.
Louis IV was Duke of Upper Bavaria from 1294/1301 together with his elder brother Rudolf I, served as Margrave of Brandenburg until 1323, as Count Palatine of the Rhine until 1329, and he became Duke of Lower Bavaria in 1340.
He obtained the titles Count of Hainaut, Holland, Zeeland, and Friesland in 1345 when his wife Margaret inherited them.
Sabina of Brandenburg-Ansbach
Sabina of Brandenburg-Ansbach (12 May 1529 – 2 November 1575) was a princess of Brandenburg-Ansbach and Electress of Brandenburg by marriage.
Christoph Caspar von Blumenthal
Christoph Caspar von Blumenthal( 1637–1689) was a German nobleman.
He was a career diplomat serving the Great Elector of Brandenburg.
He was several times Brandenburg's Ambassador to the Court of Louis XIV.
Louis II, Elector of Brandenburg
Louis the Roman  (7 May 1328 – 17 May 1365) was the eldest son of Emperor Louis IV the Bavarian by his second wife, Margaret II, Countess of Hainault, and a member of the House of Wittelsbach.
Louis was Duke of Bavaria as Louis VI (1347–1365) and Margrave of Brandenburg (1351–1365) as Louis II.
As of 1356, he also served as Prince-elector of Brandenburg.
Frederick I, Elector of Brandenburg
Frederick( Middle High German:" Friderich," Standard German:" Friedrich"; 21 September 1371 – 20 September 1440) was the last Burgrave of Nuremberg from 1397 to 1427( as Frederick VI), Margrave of Brandenburg- Ansbach from 1398, Margrave of Brandenburg- Kulmbach from 1420, and Elector of Brandenburg( as Frederick I) from 1415 until his death.
He became the first member of the House of Hohenzollern to rule the Margraviate of Brandenburg.
Hedwig Jagiellon, Electress of Brandenburg
Hedwig Jagiellon( 15 March
1513 – 7 February 1573) was a Polish princess, the daughter of Sigismund I the Old of Poland and Electress of Brandenburg by marriage to Joachim II Hector, Elector of Brandenburg.
Magdalena of Saxony
Magdalena of Saxony (7 March 1507 – 25 January 1534) was Margravine of Brandenburg, its "Electoral Princess", the Electoral equivalent of a crown princess.
She was the daughter of George "the Bearded", Duke of Saxony and his wife Barbara.
Magdalena's maternal grandparents were Kazimierz IV Jagiellon and his wife queen Elisabeth of Austria, daughter of Albert II of Germany.
She was a granddaughter of the Elisabeth aforementioned,mother of the Jagiellonians, queen of Poland, who had claimed the Duchy of Luxembourg in 1460s as being the younger daughter of the last Luxembourg heiress Elisabeth of Luxembourg, Queen of Bohemia.
Though by no means an heiress of her grandmother, she was intended to wed
the heir of her grandmother's older sister.
Joachim (1505–1571), the future elector of Brandenburg, was the eldest son and heir of their current claimant of Luxembourg, Joachim I, Elector of Brandenburg (1484–1535), the eldest son and heir of Margaret of Thuringia (1449–1501), Dowager Electress of Brandenburg, herself the eldest daughter and heiress of Anna, Duchess of Luxembourg and William of Saxony, Landgrave of Thuringia.
Magdalena was thus married, at Dresden, on 6 November 1524, to her second cousin's son Joachim Hector, the future Elector of Brandenburg.
Their son was John George, another future Elector of Brandenburg.
After Magdalena's death which occurred well before Joachim ascended the electorate, Joachim II Hector married Hedwig Jagiellon, daughter of King Sigismund I of Poland.

Question: What is the date of death of Louis Ii, Elector Of Brandenburg's father?
Answer: 11 October 1347