In the words of Frank Sinatra: "A simple 'I love you' means more than money."
Fortunately, these power couples have money and love in abundance. Meet the world's 10 richest couples by net worth.
The list was complied by WealthX, "the global authority on wealth intelligence, providing sales, marketing, strategy and compliance solutions to clients in the financial services, luxury, not-for-profit and education sectors."
World's 10 Richest Couples
10) James and Lynette Walton(01 of10)
Combined net worth: $36.2 Billion Country: United States Source of wealth: Inheritance Notable for: Jim Walton is the third child of the Wal-Mart founder Sam Walton. He is also the CEO of Arvest Bank. (credit:Forbes)
9) Mark Zuckerberg and Priscilla Chan(02 of10)
Combined net worth: $38.5 Billion Country: United States Source of wealth: Self-made Notable for: Mark Zuckerberg is the founder of Facebook.com (credit:Peter Barreras/Invision/AP)
8) Bernard Arnault and Helene Mercier(03 of10)
Combined net worth: $38.7 Billion Country: France Source of wealth: Inheritance Notable for: Bernard Arnault is the Chairman and CEO of French luxury goods conglomerate LVMH . He is also the chairman of Christian Dior S.A. (credit:Thomas Samson via Getty Images)
7) Jeff and Mackenzie Bezos(04 of10)
Combined net worth: $39.8 Billion Country: United States Source of wealth: Self-made Noteable for: Jeff Bezos is the founder of Amazon.com (credit:The Associated Press)
6) Wang Jianlin and Ning Lin(05 of10)
Combined net worth: $40.7 Billion Country: China Source of wealth: Self-made Notable for: Wang Jianlin is the Chairman of the Dalian Wanda Group, China's largest real estate developer, as well as the world's largest movie theater operator. (credit:Tech Worm)
5) Charles and Elizabeth Koch(06 of10)
Combined net worth: $47.4 Billion Country: United States Source of wealth: Inheritance Notable for: Charles Koch is the Chairman and CEO of Koch Industries. It is the second largest privately held company in the United States. (credit:The Washington Post)
4) David and Julia Koch(07 of10)
Combined net worth: $47.5 Billion Country: United States Source of wealth: Inheritance Notable for: Charles Koch is the Executive Vice-President of Koch Industries. It is the second largest privately held company in the United States. (credit:The Associated Press)
3) Warren Buffett and Astrid Menks(08 of10)
Combined net worth: $65.0 Billion Country: United States Source of wealth: Self-made Notable for: Warren Buffett is the Chairman, President and CEO of the American multinational conglomerate holding company Berkshire Hathaway. The company wholly owns GEICO, Dairy Queen and Fruit of the Loom. (credit:The Associated Press)
2) Amancio Ortega Gaona and Flora Pérez(09 of10)
1) Bill and Melinda Gates(10 of10)
Combined net worth: $85.7 Billion Country: United States Source of wealth: Self-made Notable for: Bill Gates is the co-founder of Microsoft (credit:Scott Olson via Getty Images)