Forbe Release Full List Of The 500 Richest People In The World 2015 [+PHOTOS]

6. Charles Koch
Net Worth: $42.9 B
Source of wealth: diversified

7. David Koch
Net Worth: $42.9 B
Source of wealth: diversified

 8. Christy Walton & family
Net Worth: $41.7 B
Source of wealth: Wal-Mart

9. Jim Walton
Net Worth: $40.6 B
Source of wealth: Wal-Mart

10. Liliane Bettencourt & family
Net Worth: $40.1 B
Source of wealth: L’Oreal

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