About John Mars

• John and his siblings Jacqueline and Forrest Jr. (died July 2016) inherited stakes in the candy, food and pet care firm Mars when their father died in 1999.

• He and Jacqueline each own an estimated one-third of the company. His late brother Forrest Jr.'s four daughters own the rest.

• The $47 billion (sales) candy, petcare and food company was founded by John's grandfather, Frank, in 1911.

• Mars is also a big name in pet care, with brands including Pedigree and Whiskas, as well as food like Ben's Original rice.