Iris Fontbona & family
Net worth:$17.8 billion As of March 2012
Source: Mining, inherited
Residence: Santiago, Chile ,Citizenship: Chile
Marital Status: Widow ,Children: 3
Second wife, and now widow, of Andronico Luksic, who died of cancer in 2005. Family controls Antofagasta, one of the world's largest copper miners. Company's shares have jumped 70% in a year. Also holds shares in Quinenco, a consumer packaging and beverage maker, and Plava Laguna, a chain of Croatian beach resorts. Son Jean Paul serves as chairman of Antofagasta.