Théodolinde de Beauharnais
Théodolinde de Beauharnais, Princess of Leuchtenberg( 13 April 1814 – 1 April 1857), Countess of Württemberg by marriage, was a Franco- German princess.
She was a granddaughter of Joséphine de Beauharnais, Napoleon's first wife.
Nicolas de Leuchtenberg
Nicolas de Leuchtenberg(" Nicolas Alexander Fritz"; born 12 October 1933, Munich) is a claimant to the Dukedom of Leuchtenberg.
He is the son of Nicolas Nicolaïevitch de Leuchtenberg and his wife Élisabeth Müller- Himmler, and is thus a direct male line descendant of Eugène de Beauharnais, first Duke of Leuchtenberg and son of Alexandre de Beauharnais and Joséphine de Beauharnais, first wife of Napoleon Bonaparte.
On 24 August 1962, he married Anne Bügge( born 1936), with whom he has two children:
Claude de Beauharnais (1717–1784)
Claude de Beauharnais( 1717–1784) was a French nobleman.
He was the second son of Claude de Beauharnais( 1680 – 1738).
Fanny de Beauharnais
Fanny de Beauharnais, née Marie- Anne -Françoise Mouchard( 4 October 1737, Paris – 2 July 1813), was a French lady of letters and salon- holder.
She was the mother of French politician Claude de Beauharnais.
She was the grandmother of Stéphanie de Beauharnais, Grand Duchess of Baden, and through her she is the ancestor of former royal families of Romania and Yugoslavia, and the present royal families of Belgium, of Luxembourg and of Monaco.
Eugène de Beauharnais
Eugène Rose de Beauharnais, Duke of Leuchtenberg (3 September 1781 – 21 February 1824) was the first child and only son of Alexandre de Beauharnais and Joséphine Tascher de la Pagerie, first wife of Napoleon I.
He was born in Paris, France, and became the stepson and adopted child (but not the heir to the imperial throne) of Napoleon I.
His biological father was executed during the revolutionary Reign of Terror.
He commanded the Army of Italy and was Viceroy of Italy under his stepfather.
Historians consider him one of the ablest of Napoleon's relatives.
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.
Eugénie de Beauharnais
Eugénie Hortense Auguste Napoléone, known as Eugénie de Beauharnais, princess of Leuchtenberg (22 December 1808 – 1 September 1847) was a Franco-German princess.
She was the second daughter of Eugène de Beauharnais and Princess Augusta of Bavaria, and a member of the House of Beauharnais.
In 1826 she married Constantine, Prince of Hohenzollern-Hechingen.
Claude de Beauharnais (1680–1738)
Claude de Beauharnais (22 September 1674 – 15 January 1738) was a French nobleman.
He was "sieur" de Beaumont et de Bellechauve, captain "des vaisseaux du roi", and a knight of the Order of Saint Louis.
He was the son of François IV de Beauharnais, seigneur de La Boische and his wife Marie Marguerite-Françoise Puyvart de Chastullé.
In 1713, Claude de Beauharnais married Renée Hardouineau (daughter of Pierre Hardouineau, seigneur de La Laudanière and his wife
Renée Le Pays de Beauville).
They had two children:
Through his son François, Claude became grandfather of Alexandre de Beauharnais, great-grandfather of Eugène de Beauharnais and Hortense de Beauharnais.
François IV de Beauharnais
François IV de Beauharnais( 1630 in Orléans – 1681 in Orléans), squire, sieur de la Grillère( at Vouzon, Loir- et- Cher) and sieur de la Boische, was a French nobleman.
His father was Jean de Beauharnais( 1606 – 1661), maître d' Hôtel ordinaire du roi( one of the seven children of Anne Brachet and her husband François II de Beauharnais).
His mother was Marie Mallet, and he had 2 siblings.
In 1663 he married Marguerite Françoise Pivart de Chastullé- among their 14 children was the politician Claude de Beauharnais( 1674 – 1738).
Francis IV of Beauharnais was one of the great- grandfathers of the family Eslandoost de Beauville.
Napoléon Charles Bonaparte
Napoléon Louis Charles Bonaparte( 10 October 1802 – 5 May 1807) was the eldest son of Louis Bonaparte and Hortense de Beauharnais.
His father was Emperor Napoleon I's younger brother; his mother was the daughter of Napoleon's first wife, Josephine de Beauharnais.

Question: What nationality is Eugénie De Beauharnais's father?