Ernest I, Duke of Brunswick-Lüneburg
Ernest of Brunswick-Lüneburg  (27 June 1497 – 11 January 1546), also frequently called Ernest the Confessor, was duke of Brunswick-Lüneburg and a champion of the Protestant cause during the early years of the Protestant Reformation.
He was the Prince of Lüneburg and ruled the Lüneburg-Celle subdivision of the Welf family's Brunswick-Lüneburg duchy from 1520 until his death.
He was the son of Henry I, Duke of Lüneburg, and Margarete of Saxony, the daughter of Ernest, Elector of Saxony.
Duke Louis Ernest of Brunswick-Lüneburg
Louis Ernest of Brunswick- Lüneburg- Bevern( 25 September 1718, Wolfenbüttel – 12 May 1788, Eisenach) was a field- marshal in the armies of the Holy Roman Empire and the Dutch Republic, the elected Duke of Courland( 1741).
From 13 November 1750 to 1766 he was the Captain- General of the Netherlands, where he was known as the Duke of Brunswick or( to distinguish him from his eldest brother Charles, who succeeded to their father's title of Duke of Brunswick- Lüneburg) Duke of Brunswick- Wolfenbüttel.
Another brother was Duke Ferdinand of Brunswick who led the Allied Anglo- German army during the Seven Years' War.
He was probably one of the first victims of the media in Dutch history.
Margaret of Brunswick-Lüneburg
Margaret of Brunswick- Lüneburg( 6 April 1573- 7 August 1643), was a German noblewoman member of the House of Welf and by marriage Duchess of Saxe- Coburg.
Born in Celle, she was the ninth of fifteen children born from the marriage of William the Younger, Duke of Brunswick- Lüneburg and Dorothea, Princess of Denmark.
Francis Otto, Duke of Brunswick-Lüneburg
Francis Otto, Duke of Brunswick- Lüneburg( 1530 – 1559) was the Prince of Lüneburg from 1555 to 1559.
He was the son of Ernest I, Duke of Brunswick- Lüneburg.
Dorothea of Brunswick-Lüneburg
Dorothea of Brunswick-Lüneburg (1 January 1570 – 15 August 1649) was a daughter of Duke William "the younger" of Brunswick-Lüneburg and his wife, Dorothea of Denmark, Duchess of Brunswick-Lüneburg.
She married Count Palatine Charles I of Zweibrücken-Birkenfeld.
They had four children:
Elizabeth of Denmark, Duchess of Brunswick-Wolfenbüttel
Elisabeth of Denmark (25 August 1573 – 19 July 1625) was duchess consort of Brunswick-Lüneburg as married to Duke Henry Julius of Brunswick-Lüneburg.
She was regent of Brunswick-Lüneburg in 1616-1622.
Henry the Peaceful, Duke of Brunswick-Lüneburg
Henry the Peaceful( 1411 – 7 December 1473), Duke of Brunswick- Lüneburg, called the Peaceful, ruled over both parts of Brunswick- Lüneburg.
Frederick III, Duke of Brunswick-Lüneburg
Frederick III" the restless" of Brunswick- Göttingen- Calenberg( born: 1424; died: 5 March 1495 in Hann. Münden), was a son of Duke William the Victorious of Brunswick- Lüneburg and Cecilia of Brandenburg.
He became Duke of Brunswick- Lüneburg together with his brother William IV in 1482.
However, he was deposed in 1484.
Matilda of Brunswick-Lüneburg
Matilda of Brunswick- Lüneburg( 1276 – 26 April 1318) was a German noblewoman and member of the House of Welf.
By birth, she was a duchess of Brunswick- Lüneburg and by marriage Duchess of Glogów, Ścinawa, etc.
She was the seventh child and only daughter of Albert I, Duke of Brunswick- Lüneburg by his second wife Alessina, daughter of Margrave Boniface II of Montferrat.
William the Younger, Duke of Brunswick-Lüneburg
William VI (4 July 1535 – 20 August 1592), called William the Younger , was Duke of Brunswick-Lüneburg and Prince of Lüneburg from 1559 until his death.
Until 1569 he ruled together with his brother, Henry of Dannenberg.
William was the son of Ernest I, Duke of Brunswick-Lüneburg.
On 12 October 1561 he married Dorothea of Denmark (29 June 1546 Kolding–6 January 1617 Winsen), daughter of Christian III of Denmark and Dorothea of Saxe-Lauenburg.
In 1582, William began suffering from fits of insanity.
These fits caused his wife to flee him in 1584 for her own safety.
After William's death, his wife became regent for their son George.

Question: Where was the place of death of William The Younger, Duke Of Brunswick-Lüneburg's father?
Answer: Celle