The title of Duc de Dalberg was created by the French Emperor

Napoleon I Napoleon Bonaparte ; it, Napoleone Bonaparte, ; co, Napulione Buonaparte. (born Napoleone Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French military commander and political leader who ...

on 14 April 1810 for Emmerich von Dalberg, the nephew of

Karl Theodor von Dalberg Karl Theodor Anton Maria von Dalberg (8 February 1744 – 10 February 1817) was Prince- Archbishop of Regensburg, Arch-Chancellor of the Holy Roman Empire, Bishop of Constance and Worms, prince-primate of the Confederation of the Rhine and ...

, Prince-Primate of the

Confederation of the Rhine The Confederated States of the Rhine, simply known as the Confederation of the Rhine, also known as Napoleonic Germany, was a confederation of German client states established at the behest of Napoleon some months after he defeated Austria an ...

and

Grand Duke of Frankfurt The Grand Duchy of Frankfurt was a German satellite state of Napoleonic creation. It came into existence in 1810 through the combination of the former territories of the Archbishopric of Mainz along with the Free City of Frankfurt itself. Histor ...

. He died on 27 April 1833. His daughter and heiress married firstly Sir Richard Acton, 7th Baronet (by whom she was the mother of

John Dalberg-Acton, 1st Baron Acton John Emerich Edward Dalberg-Acton, 1st Baron Acton, 13th Marquess of Groppoli, (10 January 1834 – 19 June 1902), better known as Lord Acton, was an English Catholic historian, politician, and writer. He is best remembered for the remark he wr ...

) and secondly

Granville George Leveson-Gower, 2nd Earl Granville Granville George Leveson-Gower, 2nd Earl Granville, (11 May 181531 March 1891), styled Lord Leveson until 1846, was a British Liberal statesman and diplomat from the Leveson-Gower family. He is best remembered for his service as Secretary ...

, but as the Duke had no sons, the title became extinct. However, by decree of the Emperor

Napoleon III Napoleon III (Charles Louis Napoléon Bonaparte; 20 April 18089 January 1873) was the first President of France (as Louis-Napoléon Bonaparte) from 1848 to 1852 and the last monarch of France as Emperor of the French from 1852 to 1870. A nephew ...

, 2 March 1859, the extinct Dalberg dukedom was revived and extended to the Emmerich de Dalberg's first cousin twice removed, Charles de Tascher de La Pagerie (who was also a

second cousin once removed Most generally, in the lineal kinship system used in the English-speaking world, a cousin is a type of familial relationship in which two relatives are two or more familial generations away from their most recent common ancestor. Commonly, ...

of Napoleon III), and redesignated as Duc de Tascher de La Pagerie. It became extinct again at the death of Charles's son Louis Robert in 1902, though the senior branch of the Tascher de La Pagerie family (who were unrelated to the 1st Duc de Dalberg but distant relatives of Empress

Josephine de Beauharnais Josephine may refer to: People * Josephine (given name), a given name (including a list of people with the name) * Josephine (singer), a Greek pop singer Places *Josephine, Texas, United States *Mount Josephine (disambiguation) * Josephine Coun ...

) later illegally assumed the ducal title.

Ducs de Dalberg, later de Tascher de La Pagerie (1810)

* Emmerich Joseph Franz Heinrich Felix Dismas Kämmerer von Worms gt. von Dalberg, 1st Duc de Dalberg (1773-1833) * Charles Joseph Louis Robert Philippe de Tascher de La Pagerie, 2nd Duc de Tascher de La Pagerie (1811-1869) * Louis Robert de Tascher de La Pagerie, 3rd Duc de Tascher de La Pagerie (1840-1902) {{DEFAULTSORT:Dalberg, Duc De * fr:Famille de Tascher#Liste des ducs de Tascher de La Pagerie