When reading The Sunday Times UK over the weekend, the list of the 50 richest in the world caught the eye. At the top is the Walton family in the US, worth £128.9bn, owners of retail chains Asda and Walmart. Karl & Theo Albrecht Jr and Beate Heister from Germany, owners of Aldi, came in 12th place worth £41bn. Owner of French supermarket Auchan, Gerard Mulliez, is in 26th place. The Chearavanont family in Thailand, who have an animal feed and livestock business, are listed in 38th place. The Sawiris family in Egypt, who have a fertilisers and construction business, also made the list, worth £18bn.