8Rahel Blocher – $3.1 Billion
Rahel Blocher is part of the family that owns Ems-Chemie, the gigantic Swiss polymer and chemical manufacturer.
She has other four siblings and she is the youngest one. Actually, she is also featured in Forbes Youngest Billionaires of 2014 list.
Her father Christoph Blocher is the one that founded the company. He left it in 2004 and sold his stock evenly to his four children. Now he serves in the Swiss government.
Rahel is not involded in the management of the company. Her sister Magdalena has been CEO for a decade.
At this moment, her net worth is estimated to be $3.1 Billion.