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Mary Janet Cargill
Mary Janet Cargill
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Heir to Cargill Inc. (agriculture)
Passed away: Feb. 5, 2010
Wealth-X (Est.): $2.5 billion
Potential tax uncollected: $1.1 billion

NEXT: Walter Shorenstein
Last updated December 22 2010: 5:34 AM ET
*Net worth figures from Wealth-X. **Assuming tax liability hasn't been reduced by trusts and charitable deductions. N.A.: not available
One congressman reveals the torturous process that goes into picking sides on the $858 billion measure. More
The recent tax-cut compromise will trim everyone's taxes. But surprise, surprise, it's an especially rich deal for the rich. More
It's easy to declare the winners in the new tax bill, but let's not forget the unluckiest of them all -- those who have been jobless for 99 weeks. More
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