Patricia MacMilan is the ex-wife of John H. (Hugh) MacMillan III, the late great grandson of W.W. Cargill, the founder of Cargill, Incorporated, and the son of John H. MacMillan, Jr., past Chairman and CEO of the Company. He passed away in 2008. His inherited fortune from Cargill, a global agriculture and commodities business that is the largest privately held company in the country, was estimated at $1.6 billion in 2006. If it were a public company, it would rank, as of 2011, number 13 on the Fortune 500, behind AT&T and ahead of JP Morgan Chase. In 2011, Cargill had revenue of $119.5 billion.