Cargill heir dies in Calif.

Cargill MacMillan Jr., the billionaire heir to an agribusiness fortune, has died in California. He was 84.

Riverside County sheriff's spokesman Angel Ramos says MacMillan died of natural causes shortly after 1 p.m. Monday at his home in Indian Wells, where he was under hospice care.

Forbes magazine estimates MacMillan's worth at $2.6 billion. He was an heir to Cargill, a Minnesota-based agricultural conglomerate that has $120 billion in revenue. It's the largest privately held company in the world.

However, MacMillan had no day-to-day role in the company.

The Desert Sun newspaper says he and his wife, Donna, moved from Minnesota to Indian Wells in 1990 and were philanthropists, donating a $20 million art collection to the Palm Springs Art Museum.

He's survived by his wife and four children.

(Copyright 2011 by The Associated Press. All Rights Reserved.)

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