Residence St Louis, Missouri Spouse(s) Mr Keinath Siblings Whitney MacMillan Net worth 5.7 billion USD (2015) | Occupation Heiress Name Pauline Keinath Nationality American Children Two | |
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Full Name Pauline MacMillan Born July 31, 1934 (age 90) ( 1934-07-31 ) |
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Pauline MacMillan Keinath (born July 31, 1934) is an American billionaire heiress.

Pauline MacMillan was born on July 31, 1934 in Hennepin County, Minnesota.

She is a great-granddaughter of William W. Cargill, the founder of Cargill, the largest private company in the US. As of December 2016, she has a net wealth of $6.8 billion from an inherited 9% stake in Cargill.
In 2014, she was the 16th richest woman in the US.
References
Pauline MacMillan Keinath Wikipedia(Text) CC BY-SA