Louis, duc de Decazes

"Louis"-Charles-Élie-Amanien Decazes de Glücksbierg, 2nd Duc de Decazes and 2nd Hertig af Glücksbierg, (May 29, 1819 - September 16, 1886) was a French statesman.

Louis Decazes was born in Paris. On August 3, 1863 he married Severine Freiin von Löwenthal (January 8, 1845 - La Grave, September 25, 1911). They had Jean-"Élie"-Octave-Louis-Sévère-Amanien (1864-1912) and Wilhelmine Egidia Octavie Decazes de Glücksbierg (Paris, April 21, 1865 -), married on March 9, 1886 and divorced in 1908 Brandelys Delille, Comte de Sardelys.

Between November 29, 1873 and November 23, 1877, Decazes served as Minister of Foreign Affairs in several monarchist governments of the Third Republic in the 1870s. In this role, he was responsible for conducting French foreign policy during the "War in Sight" crisis of 1875, when he managed to secure the support of all the other powers in protecting France from a potential German pre-emptive strike, and during the early stages of the great eastern crisis of 1875-1878.

He died at the Château de La Grave.