Background
Louis Decazes was born in Paris, the son of Élie, duc Decazes and his second wife, Wilhelmine de Beaupoil de Saint-Aulaire.
Louis Decazes was born in Paris, the son of Élie, duc Decazes and his second wife, Wilhelmine de Beaupoil de Saint-Aulaire.
They had two children, Jean-Élie-Octave-Louis-Sévère-Amanien and Wilhelmine-Egidia-Octavie Decazes. Between 29 November 1873 and 23 November 1877, Duke 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 (1875-1878).
The 2nd Duke Decazes died at Château Louisiana Grave.