Karl Ludwig d'Elsa was born on 1 September 1849 in Dresden in the Kingdom of Saxony, the son of Ludwig Ferdinand d'Elsa, an Oberstleutnant, and Huberta Louise. d'Elsa joined the Cadet Corps in Easter 1864 and on 1 April 1869 was appointed as an ensign in the 101st Grenadiers "Emperor William, King of Prussia" of the Royal Saxon Army. From October 1869 to April 1870 he was assigned to the military school in Erfurt and promoted to 2nd Lieutenant on 29 July 1870. From 1 September 1870 he was adjutant of the first battalion of his regiment, with whom he participated in the Franco-Prussian War. He participated in the battles of St. Privat, Beaumont and Sedan, and the Siege of Paris. For his service in the Franco-Prussian War, he was awarded the Iron Cross. After the war d'Elsa received further training from 1 October 1871 to 1 March 1872 at the Military Riding Institute Dresden. From 24 June 1873 to 17 April 1875 he was regimental adjutant in his parent regiment, and then of the 45th Infantry Brigade. In 1874, he was promoted to 1st Lieutenant. From 1878 to 1881 he was assigned as a company commander in the Corps of Cadets. On 1 April 1881 he was promoted to Captain and was assigned as Company Commander of the 2nd Company of the 100th Life Grenadiers. Two years later he became the Company Commander of the 1st Company of the regiment. In 1887, d'Elsa was adjutant of the XII Corps, and in 1889 he was promoted to Major. In 1892 he became commander of the 13th Jäger Bataillon. In 1893 he became Lieutenant colonel, and in 1895 he was appointed as Chief of General Army Section at the Saxon Ministry of War. After D'Elsa was promoted to Colonel in 1896, he commanded the 101st Grenadiers "Emperor William, King of Prussia", after which he led as a Generalmajor the 48th Infantry Brigade and the 64th Infantry Brigade. From 4 September 1902 d'Elsa served as General à la suite of George, King of Saxony and his promotion to Generalleutnant on 23 April 1904 serving as Adjutant General. From 19 June 1904 d'Elsa served as commander of the 24th Division; he was promoted to General der Infanterie on 23 September 1908. On 29 March 1910 he was appointed Commanding General of XII Corps, one of the top three peacetime positions in the Saxon contingent of the Imperial German Army.
D'Elsa was placed on inactive reserve status in early 1917. On 23 January 1918, he was promoted to the rank of Charakter of Generaloberst. After the armistice, the Allies wanted to try d'Elsa as a war criminal for his alleged role in atrocities committed against Belgian civilians. From 1918 to 1922, d'Elsa was president of the Saxon War Veterans' Association. He retired from the Army on 21 January 1920. D'Elsa died on 20 July 1922 at Tannenfeld bei Nöbdenitz, in the Löbichau district of Thuringia.
D'Elsa was married twice, firstly in 1875 to Margarethe Anna Elise. After her death in 1888, he remarried in 1891 to Caroline Charlotte. He had three sons, Walther, Karl and Johann, and three daughters, Elisabeth, Margarethe Dorothe and Priska.
Glossary
Armee-Abteilung or Army Detachment in the sense of "something detached from an Army". It is not under the command of an Army so is in itself a small Army.
Armee-Gruppe or Army Group in the sense of a group within an Army and under its command, generally formed as a temporary measure for a specific task.
Heeresgruppe or Army Group in the sense of a number of armies under a single commander.
