Elisabeth of Meissen
Elisabeth of Meissen, Burgravine of Nuremberg (22 November 1329 – 21 April 1375) was the daughter of Frederick II, Margrave of Meissen and Mathilde of Bavaria and a member of the House of Wettin.
Margaret of the Palatinate
Margaret of the Palatinate( German:" Margarete von der Pfalz";
1376 – 26 August 1434, Einville- au- Jard) was the daughter of Rupert of Germany and his wife Elisabeth of Nuremberg.
She married Charles II, Duke of Lorraine on 6 February 1393.
Her maternal grandparents were Frederick V, Burgrave of Nuremberg and Elisabeth of Meissen.
One of her grandchildren was Margaret of Anjou, Queen Consort of King Henry VI of England.
Her children with Charles II of Lorraine included:
Frederick V, Burgrave of Nuremberg
Frederick V of Nuremberg (before 3 March 1333 – 21 January 1398) was a Burgrave ("Burggraf") of Nuremberg, of the House of Hohenzollern.
Elisabeth of Nuremberg
Elisabeth of Nuremberg (1358 – 26 July 1411) was the daughter of Frederick V, Burgrave of Nuremberg and Elisabeth of Meissen.
She was a member of the House of Hohenzollern, and the wife of Rupert of Germany.
In 1398, she became the Electress of the Palatinate of the Rhine, and in 1400 she became Queen of the Romans.
John III, Burgrave of Nuremberg
John III of Nuremberg( c. 1369 – 11 June 1420 in Plassenburg), Margrave of Brandenburg- Kulmbach from the House of Hohenzollern.
He was elder son of Frederick V of Nuremberg and Elisabeth of Meissen.
John II, Burgrave of Nuremberg
John II of Nuremberg( 1309 – 1357) was a Burgrave of Nuremberg from the House of Hohenzollern.
He was the elder son of Frederick IV of Nuremberg and Margarete of Görz.
John I, Burgrave of Nuremberg
John I, Burgrave of Nuremberg (– 1300) was a member of the House of Hohenzollern and was Burgrave of Nuremberg from 1297 until his death.
He was the son of Burgrave Frederick III of Nuremberg and his second wife, Helen of Saxony (d. 1309).
John I married in 1297 with Agnes of Hesse (d. 1335).
He ruled the Burgraviate of Nuremberg jointly with his younger brother Frederick IV.
After John I died childless in 1300, Frederick IV ruled alone.
Conrad I, Burgrave of Nuremberg
Conrad I of Nuremberg( 1186 – 1261) was a Burgrave of Nuremberg of the House of Hohenzollern.
He was the elder son of Frederick I of Nuremberg and Sophie of Raabs.
Frederick III, Burgrave of Nuremberg
Frederick III of Nuremberg( 1220 – 14 August 1297 in Cadolzburg), Burgrave of Nuremberg from the House of Hohenzollern, was the eldest son of Conrad I of Nuremberg and Adelheid of Frontenhausen.
Beatrice of Nuremberg
Beatrix of Nuremberg( Nuremberg – 10 June 1414, Perchtoldsdorf) was a daughter of Frederick V, Burgrave of Nuremberg and his wife Elisabeth of Meissen.
In 1375 in Vienna, she married Duke Albert III of Austria.
They had one son: Albert IV.

Question: What is the date of death of Elisabeth Of Nuremberg's mother?
Answer: 21 April 1375