Milane Frantz
Milane Diane Frantz is a billionaire heir to the Duncan family fortune through Enterprise Products, which remains under family control.
- Milane Duncan Frantz’s father, Dan Duncan, founded Houston-based pipeline giant Enterprise Products Partners in 1968 and took it public in 1998.
- Frantz and her three siblings inherited a stake in the company after their dad died in 2010; only Randa Duncan Williams is involved in the business.
- Enterprise Products Partners now owns around 50,000 miles of oil pipelines and the largest oil storage facility on the Gulf Coast.
- A board member of Houston’s Hermann Park Conservancy, Frantz also serves as a director of the Duncan Family Foundation.
