Marion MacMillan Pictet

Marion MacMillan Pictet
Residence	Hamilton, Bermuda
Nationality	American
Occupation	Heiress
Children	Gwendolyn Sontheim Meyer
Parent(s)	John H. MacMillan
Relatives	William W. Cargill (great-grandfather) John Hugh MacMillan (brother) Whitney Duncan MacMillan (brother)

Marion MacMillan Pictet was an American heiress.

She was a great-granddaughter of William W. Cargill, the founder of Cargill. Her father was John H. MacMillan She had two brothers John Hugh MacMillan and Whitney Duncan MacMillan.

She lived in Hamilton, Bermuda, and she was divorced. In 2010, her estate was estimated to be worth approximately US$4.5 billion. She died in The Bahamas in August 2009.

Her only daughter, Gwendolyn Sontheim Meyer, is an equestrian.

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