| Marion MacMillan Pictet | |
| Birth Date: | October 17, 1932 |
| Birth Place: | Minneapolis, Minnesota |
| Death Date: | August 30, 2009 (aged 76) |
| Death Place: | Lyford Cay, Bahamas |
| Nationality: | American |
| Occupation: | Heiress |
| Children: | Gwendolyn Sontheim Meyer |
| Parents: | John H. MacMillan |
| Relatives: | William Wallace Cargill (great-grandfather) John Hugh MacMillan (brother) Whitney Duncan MacMillan (brother) |
Marion Hamilton MacMillan Pictet (October 17, 1932 - August 30, 2009)[1] was an American heiress.[2] [3] [4]
She was a great-granddaughter of William Wallace Cargill, the founder of Cargill.[3] Her father was John H. MacMillan[5] She had two brothers John Hugh MacMillan and Whitney Duncan MacMillan.
She lived in Hamilton, Bermuda, and she was divorced.[4] In 2010, her estate was estimated to be worth approximately US$4.5 billion.[4] She died in The Bahamas in August 2009.[2]
Her only daughter, Gwendolyn Sontheim Meyer, is an equestrian.[2] [6]