We hear a lot about Angelina, but she isn't the only mom making serious bank. According to Forbes' count, there are 70 billionaire mothers in the world (compared to 555 dads). Some of them—think Mars and Heineken—are old names. Others, are relative newcomers. Here are some of the standouts:
- Richest: American billionaire Christy Walton inherited her $22.5 billion fortune when her husband, an heir to the Wal-Mart fortune, died in a plane crash in 2005.