Table:
text: List of female billionaires
List of female billionaires
List of female billionaires
Name_ Birth_year_and_age Net_worth_US_billions Citizenship Source_
Liliane Bettencourt 1922/1923(age 90–91) 30.0 France L`Oréal , inherited
Christy Walton 1948/1949(age 64–65) 28.8 United States Wal-Mart , inherited
Alice Walton 1949/1950(age 63–64) 26.3 United States Wal-Mart , inherited
Iris Fontbona & family 1942/1943(age 70–71) 17.4 Chile Antofagasta PLC , inherited
Jacqueline Mars 1940/1941(age 72–73) 17.8 United States Mars, Incorporated , inherited
Gina Rinehart 1953/1954(age 59–60) 17 Australia Hancock , inherited
Susanne Klatten 1962/1963(age 50–51) 14.3 Germany Altana , inherited
Abigail Johnson 1961/1962(age 51–52) 12.7 United States Fidelity Investments , inherited
Miuccia Prada 1948/1949(age 64–65) 12.4 Italy Prada , inherited
Anne Cox Chambers 1919/1920(age 93–94) 12 United States Cox Enterprises , inherited

Question: What is the source of the $17 billion person's wealth among female billionaires?