Sylvie Le Bon-de Beauvoir is the adopted daughter of Simone de Beauvoir. She is a philosophy professor. The meeting between the two women was recounted in the book Tout compte fait, which Simone de Beauvoir dedicated to Le Bon. Le Bon was one of the women that de Beauvoir and Jean-Paul Sartre cared and provided for. Sylvie Le Bon and Simone de Beauvoir met in 1960, when Le Bon was 17 and de Beauvoir was 52. De Beauvoir legally adopted Le Bon in 1980, making her the sole executor of her will.