Karl Albrecht of , a suburb of Essen. Theo completed an apprenticeship in his mother's store, while Karl worked in a delicatessen shop. Karl served in the Wehrmacht during World War II and was wounded on the Eastern Front. After the war, the brothers jointly took over their mother's business and founded Albrecht KG. They separated that company in 1961 into Aldi Nord, covering the part of Germany north of the Ruhr under Theo Albrecht, and Aldi Süd under Karl. The first Aldi (short for Albrecht Discount) was opened in 1962. In 1994, Karl Albrecht removed himself from the daily operations of
Archduke Karl Albrecht of Austria Archduke Karl Albrecht of Austria Archduke Karl Albrecht of Austria-Teschen ("Karl Albrecht Nikolaus Leo Gratianus von Österreich", later "Karl Albrecht Habsburg-Lothringen", since 1919 – "Karol Olbracht Habsburg-Lotaryński"; (Pula, 18 December 1888 – Östervik, near Stockholm, 17 March 1951). He was an Austrian archduke, the oldest son of Archduke Charles Stephen and Archduchess Maria Theresia, Princess of Tuscany. He was a landowner in Żywiec, a colonel of artillery in both the Imperial Austro-Hungarian Army (cavalry) and the Polish Army, and the 1,175th knight of the Order of the Golden Fleece in 1910, etc. In 1918 and again in 1939 he became