December 1868), whom he married in 1801 and who remained with him until his death. Their marriage was loving and the couple seem to have been faithful to each other despite very long periods of separation. They had eight children, four of whom died in childhood: Paul (1802–1803) Joséphine (1804–1805) Antoinette Joséphine (180519 August 1821), married in 1820 to Achille, Comte Félix-Vigier (1801–1868) Adèle Napoleone (June 180721 January 1885), married on 14 March 1827 to Étienne, Comte de Cambacérès (180420 December 1878) Napoleon (1809–1810) Napoleon Louis, 2nd Duke of Auerstedt, 2nd and last Prince of Eckmühl (6 January 181113 June 1853), who died unmarried and without issue Jules (1812–1813) Adelaide-Louise (8 July 18156 October 1892), married on 17 August 1835 to François-Edmond de Couliboeuf, Marquis de Blocqueville (1789–1861) The title of duke went to the descendants of Louis-Nicolas' brother Charles Isidor (1774–1854) by his marriage in 1824 to Claire de Cheverry (1804–1895). He also had a sister Julie (1771–1846), married in 1801 to Marc-Antoine Bonnin de La Bonninière, 1st Count de Beaumont (1763–1830), and another brother, Alexandre-Louis-Edme, 1st Baron d'Avout (1773–1820), married in 1808 to Alire Parisot (1786–1856). The youngest daughter, Adelaide-Louise, marquise de Blocqueville, left provision in her will for the name of her father to be given to a lighthouse. In 1897, the Phare d'Eckmühl was opened on the headland of Penmarc'h in Brittany. References Further reading Potocka-Wąsowiczowa, Anna z Tyszkiewiczów. Wspomnienia naocznego świadka. Warszawa: Państwowy Instytut Wydawniczy, 1965. External links Davout and Napoleon:A Study of Their Personal Relationship By John Gallaher for the International Napoleonic Society Souvenir du Maréchal Davout 1770 births 1823 deaths Burials at Père Lachaise Cemetery Commanders in the French Imperial Guard Dukes of Auerstaedt French military personnel of the French Revolutionary Wars French Ministers of War Grand Croix of the Légion d'honneur Grand Crosses of the Military Order of Max Joseph Grand Crosses of the Virtuti Militari Knights of the Military Order of Christ Marshals of France Marshals of the First French Empire Mayors of places in Île-de-France Members of the Chamber of Peers of the Bourbon Restoration Members of the Chamber of Peers of the Hundred Days People from Yonne Princes of Eckmühl Names inscribed under the Arc de Triomphe Recipients of the Order of the White Eagle (Poland)