Bettencourt Meyers controls 33 percent of L'Oreal, the world's largest cosmetics maker. She's chairwoman of the holding company that holds the family's stake, which was attributed to her mother Liliane until her death in September 2017. L'Oreal owns the Lancome and Garnier brands, and had revenue of almost $29 billion in 2016. Father Andre Bettencourt served as a cabinet minister for 20 years.