Aldi may appear as if they were a single enterprise with certain store brands or when negotiating with contractor companies. The individual groups were originally owned and managed jointly by the brothers. Karl Albrecht, who died in 2014, retained ownership of Aldi Süd with a personal wealth of €17.2 billion that made him the richest man in Germany. The co-owners of Aldi Nord, Berthold and Theo Albrecht Jr. came close behind at €16 billion. Dieter Schwarz, owner of Lidl and Kaufland came in third, with a fortune of €11.5 billion. Aldi started to expand internationally in 1967, when Aldi Süd acquired
Theo Albrecht success stories. Theodor retired from daily operations in 1993 and remained as chairman of the board. In 1971, Albrecht was kidnapped for 17 days. A ransom of seven million German marks (approximately US$2 million at the time) was paid for his release. He was held at gunpoint by Heinz-Joachim Ollenburg, a lawyer, and his accomplice Paul Kron. The ransom sum was delivered by the Bishop of Essen. His kidnappers were eventually caught by authorities, but only half of the money was recovered. Albrecht later successfully claimed the ransom as a tax deductible business expense in court. During World War II,