Karl Albrecht Jr. Karl Albrecht Jr. Karl Albrecht Jr. (born 1948) is a German billionaire, and the son of Karl Albrecht, who founded the discount supermarket chain Aldi with his brother Theo. Albrecht worked for Aldi Süd in various roles until his resignation due to a cancer diagnosis (from which he subsequently recovered). He and his sister Beate Heister control the family trust, the Siepmann Stiftung (named for their mother), which, in turn, controls Aldi Süd, the source of their joint fortune. Together with Heister, he has a net worth of US$25 billion, as of December 2018. He is married to Gabriele Mertes,
Archduke Albrecht Franz, Duke of Teschen of Archduchess; however, Otto von Habsburg granted them the (unofficial) title of "Gräfin von Habsburg" ("Countess of Habsburg"). Albrecht and Katalin divorced in 1951. His third marriage was to Lydia Strauss-Dorner, daughter of Bela Dorner and Mitzy. They had one son : Archduke Albrecht Franz, Duke of Teschen Albert Franz Josef Karl Friedrich Georg Hubert Maria, Archduke of Austria, Prince Royal of Hungary and Bohemia, Duke of Teschen (In German: "Erzherzog Albrecht Franz Josef Karl Friedrich Georg Hubert Maria von Österreich, Herzog von Teschen") – (24 July 1897 – 23 July 1955) was a member of the House of Habsburg