The Grand Ducal Family of Luxembourg constitutes the House of Luxembourg-Nassau, headed by the sovereign Grand Duke, and in which the throne of the grand duchy is hereditary. It consists of heirs and descendants of the House of Nassau-Weilburg, whose sovereign territories passed cognatically from the House of Nassau to the House of Bourbon-Parma, itself a branch of the Spanish Royal House which is agnatically a cadet branch of the House of Capet that originated in France, itself a derivative dynasty from the Robertians and the founding house of the Capetian dynasty.
The Grand Duke of Luxembourg is the head of state of Luxembourg. Luxembourg has been a grand duchy since 15 March 1815, when it was created from territory of the former Duchy of Luxembourg. It was in personal union with the United Kingdom of the Netherlands until 1890 under the House of Orange-Nassau. Luxembourg is the world's only sovereign Grand Duchy and since 1815, there have been nine monarchs, including the incumbent, Henri.
Jean was the Grand Duke of Luxembourg from 1964 until his abdication in 2000. He was the first Grand Duke of Luxembourg of French agnatic descent.
Marie-Adélaïde, reigned as Grand Duchess of Luxembourg from 1912 until her abdication in 1919. She was the first Grand Duchess regnant of Luxembourg, its first female monarch since Duchess Maria Theresa and the first Luxembourgish monarch to be born within the territory since Count John the Blind (1296–1346).
Charlotte was Grand Duchess of Luxembourg from 14 January 1919 until her abdication on 12 November 1964.
Prince Guillaume, Hereditary Grand Duke of Luxembourg, is the heir apparent to the crown of Luxembourg, holding the position since his father's accession in 2000.
Prince Félix of Bourbon-Parma was the husband of Charlotte, Grand Duchess of Luxembourg and the father of her six children, including her successor Jean, Grand Duke of Luxembourg. By birth to his father Robert I, Duke of Parma, he was a member of the House of Bourbon-Parma and one descendant of King Philip V of Spain. Prince Félix was the longest-serving consort of Luxembourg.
Prince Félix of Luxembourg, Prince of Bourbon-Parma and Prince of Nassau is the second son of Henri, Grand Duke of Luxembourg, and Maria Teresa, Grand Duchess of Luxembourg. He is currently fourth in the line of succession of Luxembourg.
Prince Louis of Luxembourg, Prince of Bourbon-Parma and Prince of Nassau is the third son of Henri, Grand Duke of Luxembourg, and Maria Teresa, Grand Duchess of Luxembourg.
His or Her Grand Ducal Highness is a style of address used by the non-reigning members of some German ruling families headed by a Grand Duke. No currently reigning family employs the style, although it was used most recently by the younger sisters of the late Grand Duchess Charlotte of Luxembourg. Since Grand Duchess Charlotte's marriage to Prince Felix of Bourbon-Parma, all of their male-line descendants have used the style Royal Highness, which he bore.
Princess Alexandra of Luxembourg is the fourth child and only daughter of Henri, Grand Duke of Luxembourg, and Maria Teresa, Grand Duchess of Luxembourg. Alexandra is also "Princess of Nassau" and "Princess of Bourbon-Parma".
Prince Sébastien of Luxembourg, Prince of Bourbon-Parma and Prince of Nassau is the fifth and youngest child of Henri, Grand Duke of Luxembourg, and Maria Teresa, Grand Duchess of Luxembourg.
Tessy Antony de Nassau is a Luxembourgish businesswoman and non-profit executive. She is a former member of the Grand Ducal Family of Luxembourg as the ex-wife of Prince Louis of Luxembourg, the third son of Henri, Grand Duke of Luxembourg.
Archduchess Marie-Astrid of Austria is the elder daughter and eldest child of Jean, Grand Duke of Luxembourg, and Princess Joséphine-Charlotte of Belgium, and the wife of Archduke Carl Christian of Austria, grandson of the last Austrian Emperor, Karl I.
Princess Margaretha of Liechtenstein is the fourth child and second and youngest daughter of Grand Duke Jean of Luxembourg and Princess Joséphine-Charlotte of Belgium. As the sister of Grand Duke Henri of Luxembourg and the sister-in-law of Prince Hans-Adam II of Liechtenstein, she is a princess of two current realms and a member of the Luxembourg and Liechtenstein reigning dynasties.
Since 2011, the crown of Luxembourg descends according to absolute primogeniture among Grand Duke Henri's descendants and according to agnatic primogeniture among other dynasts.
The House of Bourbon-Parma is a cadet branch of the Spanish royal family, whose members once ruled as King of Etruria and as Duke of Parma and Piacenza, Guastalla, and Lucca. The House descended from the French Capetian dynasty in male line. Its name of Bourbon-Parma comes from the main name (Bourbon) and the other (Parma) from the title of Duke of Parma. The title was held by the Spanish Bourbons, as the founder Philip, Duke of Parma was the great-grandson of Ranuccio II Farnese, Duke of Parma. The House of Bourbon-Parma is today the Sovereign House of the Grand Duchy of Luxembourg (agnatically) and all members of the Grand Ducal Family of Luxembourg are members of the House of Bourbon-Parma with the title of "Princes/Princesses" and the predicate of Royal Highness.
Princess Marie-Adélaïde of Luxembourg was a Luxembourgish princess, the third child and the second daughter of Grand Duchess Charlotte (1896–1985) and Prince Felix of Bourbon-Parma (1893–1970).
Princess Marie-Gabrielle of Luxembourg was a Luxembourgish princess, the third daughter and fourth child of Grand Duchess Charlotte (1896–1985) and Prince Felix of Bourbon-Parma (1893–1970).
