Princess Maria Maximilianovna of Leuchtenberg
Princess Maria Maximilianovna of Leuchtenberg, also known as Princess Maria Romanovskya, Maria, Princess Romanovskaja, Maria Herzogin von Leuchtenberg or Marie Maximiliane( 16 October 1841 – 16 February 1914) was the eldest daughter of Maximilian de Beauharnais, 3rd Duke of Leuchtenberg and his wife Grand Duchess Maria Nikolaevna of Russia.
She married Prince Wilhelm of Baden.
The couple's son, Prince" Maximilian" of Baden, was Germany's last Imperial chancellor.
George Maximilianovich, 6th Duke of Leuchtenberg
Prince George Maximilianovich Romanowsky, 6th Duke of Leuchtenberg (29 February 1852 – 16 May 1912), also known as Prince Georgii Romanovsky or Georges de Beauharnais, was the youngest son of Maximilian de Beauharnais, 3rd Duke of Leuchtenberg and his wife, Grand Duchess Maria Nikolaevna of Russia.
Grand Duchess Maria Nikolaevna of Russia (1819–1876)
Grand Duchess Maria Nikolaievna of Russia
(18 August 1819 – 21 February 1876) was a daughter of Emperor Nicholas I of Russia, and sister of Alexander II.
In 1839 she married Maximilian, Duke of Leuchtenberg.
She was an art collector and President of the Imperial Academy of Arts in Saint Petersburg.
Elisabeth of Oettingen
Elisabeth of Oettingen also known as" Elizabeth of Leuchtenberg"( born:; died: 9 July 1406) was a member of the House of Oettingen- Wallerstein by birth.
She was a Landgravine of Leuchtenberg by marriage and a lady in waiting for Elector Palatine and King of Germany Rupert.
Alexander Georgievich, 7th Duke of Leuchtenberg
Alexander Georgievich, 7th Duke of Leuchtenberg, also known as Prince Alexander Georgievich Romanovsky or less commonly Alexander de Beauharnais (13 November 1881 – 26 September 1942) was the only son of George Maximilianovich, 6th Duke of Leuchtenberg by his first wife Duchess Therese of Oldenburg.
He was a descendant of Paul I of Russia from both of his parents.
George III, Landgrave of Leuchtenberg
George III, Landgrave of Leuchtenberg( 13 December 1502 – 21 May 1555) was Landgrave of Leuchtenberg from 1531 to 1555.
George succeeded John IV as Landgrave.
After completing his studies, he became and advisor and treasurer to Emperor Charles V and fought in the Battle of Pavia.
His post required that he provide horses and knights to Duke Louis X of Bavaria and to the Emperor to fight the war against the Ottoman Empire.
He borrowed the knights and horses, as well as from Elector Palatine Otto Henry.
In 1546, George III and Elector Palatine Frederick III signed the Treaty of Heidelberg, which defined the boundary between Leuchtenberg and the Palatinate and the privileges of Leuchtenberg.
George's brother, Christopher of Leuchtenberg( d. 1554) commanded the cavalry in the army of Albert II Alcibiades.
Christopher and Albert took several loans from George and the latter was cited before the Reichskammergericht for breach of the peace.
He had to temporarily hand over the Lordship of Grünsfeld and compensate the victims of the looting and pillaging.
His brother Christopher died impoverished in a guest house in Regensburg.
His second brother Hans was mentally ill and lived most of his life with their sister in Wallerstein.
Auguste, Duke of Leuchtenberg
Auguste Charles Eugène Napoléon, Duke of Leuchtenberg( 9 December 1810 – 28 March 1835) was the first prince consort of Maria II of Portugal.
Besides being the 2nd Duke of Leuchtenberg and 2nd Prince of Eichstätt, he also held the Brazilian noble title of Duke of Santa Cruz.
Countess Elisabeth of Leuchtenberg
Elisabeth of Leuchtenberg( born: March 1537- died: 6 July 1579 in Dillenburg) was the daughter of Landgrave George III, Landgrave of Leuchtenberg and Margravine Barbara of Brandenburg- Ansbach.
Sergei Georgievich, 8th Duke of Leuchtenberg
Prince Sergei Georgievich Romanowsky, 8th Duke of Leuchtenberg (4 July 1890 – 7 January 1974) was the son of Prince George Maximilianovich Romanowsky, 6th Duke of Leuchtenberg and his second wife Princess Anastasia of Montenegro.
He succeeded his half-brother Alexander Georgievich as Duke of Leuchtenberg from 1942 until his death.
Eugen Maximilianovich, 5th Duke of Leuchtenberg
Eugen Maximilianovich Romanowsky, 5th Duke of Leuchtenberg, Prince Romanowsky (8 February 1847 – 31 August 1901) was a son of Maximilian de Beauharnais, 3rd Duke of Leuchtenberg and Grand Duchess Maria Nikolaevna of Russia Duke of Leuchtenberg.
He succeeded his brother Nicholas Maximilianovich as Duke of Leuchtenberg from 1891 until his death.

Question: Where did Eugen Maximilianovich, 5Th Duke Of Leuchtenberg's mother die?
Answer: Saint Petersburg