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
GB (supermarket) and Wallonia were sold to an independent franchise together with Champion supermarkets, which became re-branded, as "Carrefour Market-Groupe Mestdagh". As of May 2013, there are 58 GB supermarkets left in Belgium, 28 Champion stores in Wallonia, and 431 GB stores have already become Carrefour Market. GB Group had several different supermarket stores: GB (supermarket) GB ("Grand Bazar") was a Belgian supermarket chain, until 2000 owned by the GIB Group when it was taken over by the Carrefour Group. In 1958 the first Super GB is created and opened. In 1961 the first GB hypermarkets are created under the name of