After the Civil War, Polignac returned to his large estate in France, and resumed his travels and studies in Central America. He published several articles on his Civil War experiences. He returned to the French army as a Brigadier General, and later a Major General and commanded a
division in the
Franco-Prussian War (1870 to 1871), he was cited for distinguished service. In recognition of his conduct, he was invested as a Chevalier of the
Légion d’honneur, France’s highest order of merit for military and civil distinction. In
Ober-Ingelheim on 4 November 1874, he married Marie Adolphine/Adolfine Langenberger (
Frankfurt, 7 June 1853 – Paris, 16 January 1876) and had one daughter: •
Princess Marie Armande Mathilde (Paris, 8 January 1876 –
Neauphle-le-Vieux, 29 April 1962), married in Paris on 12 February 1895 to Count Jean Alfred Octave de Chabannes-La Palice (
Lapalisse, 1871 – Paris, 28 August 1933), notable composer. In
London, on 3 May 1883, he married secondly Margaret Elizabeth Knight (
Olivet, 22 June 1864 – Castle La Roche-Gençay,
Magné, 20 August 1940) by whom he also had children: • Princess
Mabel Constance (London, 29 January 1884 –
La Seyne-sur-Mer, 28 March 1973), married in
Torquay on 12 July 1906 Count Henri Thierry Michel de Pierredon (Paris, 11 September 1883 – Castle La Roche-Gençay,
Magné, 8 July 1955) • Princess Hélène
Agnès Anne (
Vienna, 30 June 1886 –
Limpiville, 23 December 1978), married in Torquay on 20 August 1910 Henri Marie Georges Le Compasseur Créqui Montfort, Marquis de Courtrivon (
Sainte-Adresse, 27 September 1877 –
Neuilly, 4 April 1966) • Prince
Victor Mansfield Alfred (London, 17 June 1899 – 4 November 1998), married in
Monaco on 27 June 1963 Elizabeth Ashfield Walker (
Washington, 11 May 1896 – Monaco, 17 November 1976), without issue Polignac continued to study mathematics and music until his health failed. When he died in
Paris,
France at the age of 81, Polignac was the last living Confederate major-general. He was buried with his wife's family in Germany in
Hauptfriedhof,
Frankfurt-on-Main. In 1998, the
Texas Tech University historian
Alwyn Barr released the second edition of his ''Polignac's Texas Brigade'', a study of Polignac and the Texans who fought in Mansfield and then
Sabine Crossroads. ==See also==