Albert III, Duke of Bavaria
Albert III the Pious of Bavaria- Munich( 27 March 1401 – 29 February 1460), since 1438 Duke of Bavaria- Munich.
He was born in Wolfratshausen to Ernest, Duke of Bavaria and Elisabetta Visconti, daughter of Bernabò Visconti.
Sigismund, Duke of Bavaria
Sigismund of Bavaria (26 July 1439 – 1 February 1501) was a member of the Wittelsbach dynasty.
He ruled as Duke of Bavaria-Munich from 1460 to 1467, and then as Duke of Bavaria-Dachau until his death.
Henry XVI, Duke of Bavaria
Henry XVI of Bavaria (1386 – 30 July 1450, Landshut), , since 1393 Duke of Bavaria-Landshut.
He was a son of duke Frederick and his wife Maddalena Visconti, a daughter of Bernabò Visconti.
Albrecht, Duke of Bavaria
Albrecht, Duke of Bavaria( Albrecht Luitpold Ferdinand Michael; 3 May 1905 – 8 July 1996) was the son of the last crown prince of Bavaria, Rupprecht, and his first wife, Duchess Marie Gabrielle in Bavaria.
He was the only child from that marriage that reached adulthood.
His paternal grandfather was Ludwig III of Bavaria, the last king of Bavaria, who was deposed in 1918.
Joanna Sophia of Bavaria
Joanna Sophia of Bavaria( c. 1373 – 15 November 1410) was the youngest daughter of Albert I, Duke of Bavaria and his first wife Margaret of Brieg.
She was a member of the House of Wittelsbach.
On 13 June 1395, Joanna Sophia married Albert IV, Duke of Austria in Vienna.
The marriage between the two ended a feud between Joanna Sophia's father and Albert's father, Albert III of Austria.
Joanna Sophia's father agreed to the payment of 10,000 Pfennige and he gave Albert III the fortress of Natternberg and the town of Deggendorf.
The marriage produced two children; both of whom survived to adulthood.
They were: Albert would often quarrel with members of Joanna Sophia's family, such as their brother- in- law Wenceslaus, King of the Romans and his half- brother Sigismund, Holy Roman Emperor.
This ended only when Albert died in 1404.
Joanna Sophia arranged marriages for her children.
She made negotiations with Frederick, Duke of Bavaria, to marry her daughter, Margaret to his son, Henry XVI, Duke of Bavaria.
Henry and Margaret married two years after Joanna Sophia's death.
Her son Albert married Elizabeth of Luxembourg, the only child of Emperor Sigismund.
Joanna Sophia died aged thirty- six or thirty- seven in Vienna.
Princess Maria Elisabeth of Bavaria
Princess Maria Elisabeth of Bavaria( 9 September 1914 – 13 May 2011) was the eldest daughter of Prince Franz of Bavaria, third son of Ludwig III of Bavaria.
Louis IX, Duke of Bavaria
Louis IX( also known as Louis the Rich; 23 February 1417 – 18 January 1479),( German:" Ludwig IX, Herzog von Bayern- Landshut") was Duke of Bavaria- Landshut from 1450.
He was a son of Henry XVI the Rich and Margaret of Austria.
Princess Irmingard of Bavaria
Princess Irmingard of Bavaria( 29 May 1923 – 23 October 2010) was the daughter of Rupprecht, Crown Prince of Bavaria and his second wife, Princess Antonia of Luxembourg.
She was a half- sister of Albrecht, Duke of Bavaria.
Maddalena Visconti
Maddalena Visconti (1366 – 17 July 1404) was a daughter of Bernabò Visconti and his wife Beatrice Regina della Scala.
Maddalena was Duchess of Bavaria-Landshut by her marriage to Frederick, Duke of Bavaria.
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.

Question: What is the date of death of Henry Xvi, Duke Of Bavaria's mother?