Hillwood Estate was the home of breakfast-cereal heiress Marjorie Merriweather Post. Hillwood was Post's fall and spring home — she built Mar-a-Lago and lived there during the winter. download the app Email address Sign up By clicking “Sign Up”, you accept our Terms of Service and Privacy Policy . AdvertisementMarjorie Merriweather Post was once known as America's richest woman, with an estimated net worth of $250 million — around $1.8 billion today when adjusted for inflation. This story is available exclusively to Business Insider subscribers.

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Persons: Marjorie Merriweather Post, Hillwood, — Organizations: Service, Post, General Foods Corporation, Maxwell, Business Locations: Hillwood, France, Russia