Elaine Marshall

This 72 year old American billionaire owns 15 percent of Koch Industries in trusts for herself, her two sons and other family members. She inherited it from her husband E. Pierce Marshall, son of J. Howard Marshall II. J. Howard Marshall got the Koch stake by investing in a refinery business that was acquired by Koch Industries. The family is spending millions on lawyers, thanks to J. Howard Marshall IIs financial and romantic adventures. Elaine resides in Dallas Fort Worth.