Net Worth details: The Schaefflers hold an 80 percent stake in the company Schaeffler which controls interests in Schaeffler AG and Continental. The German manufacturer of automotive supplies including ball bearings had revenue of $14.7 billion in 2015. Schaeffler and his mother purchased a majority of auto parts maker Continental for $17 billion in 2008, and he controls 36.8 percent. He also holds about 80 percent of the common shares of Schaeffler AG.
