2. Susan Lieberman Dell, Married to Michael Dell
Source: Celeb Family
Susan Lieberman Dell is vice-president of the Michael & Susan Dell Foundation, an organization that provides funding for education and health care to underprivileged children throughout the world. Her husband is Michael Dell, the founder and CEO of Dell Computers. Together they have an estimated worth of $18.6 billion. They have been married since 1989, and they have four children.