Verkkothe youngest son of walmart founder sam walton, jim walton, is the first of his family to crack into the $100 billion club as the retail giant's share price soars. Verkkoin 2020, u. s. Retailer walmart was the largest family business company in the world, with sales of more than $500 billion. The ranking only lists companies that. Verkkoat age 25, arnault took charge of the family business. After socialist françois mitterrand became france’s president in 1981, arnault moved to the states. From empires built on nutella to samsung, bmw and walmart, who are the world’s wealthiest families, and how did they get.