| Source of Wealth | Woman |
| Daugher of Sam Walton | |
| Widow of Sam Walton | |
| Daughter of L'Oreal founder | |
| Runs Fidelity Investments | |
| Daughter of James M. Cox | |
| Other daughter of James M. Cox | |
| Daughter of M&M Mars Founder | |
| Daughter of Herbert and Johanna Quandt | |
| Runs business operations of INA-Schaeffler Group | |
| Widow of Herbert Quandt | |