Liz Koch – $51.8 Billion
Liz Koch is married to billionaire Charles Koch, who is the co-founder of Koch Industries. Liz prefers to remain very private and is not known for giving out statements. However, she is very involved in many charities. They two have been married for nearly 50 years and it’s safe to say that they are very comfortable with a net worth of $51.8 billion.
Tamiko Bolton – $8.3 Billion
In 2008, Tamiko Bolton met billionaire hedge fund tycoon George Soros. Their relationship sparked a lot of controversy due to the fact that there is a 41 year age gap between the two. Despite this, the two have been married since 2013. She is Soros’ third wife.