Loumaye family
Amounts mentioned are estimates based on public sources and can vary depending on methodology (income, assets, debt) and update date.
Belgian gynecologist Ernest Loumaye has established a notorious reputation in the world of gynecology. pharmaceutical sector in Switzerland with the founding of two successful companies. These companies focus on development of medications to manage complications related to late pregnancies, a niche that is gaining in economic importance with the increase in the average age of pregnant women, which has enabled the Loumaye family to amass a fortune of over 89 million euros.

Issues addressed :
- Infertility
- Fibroids and benign tumors
- Increased risk of premature births
Significant contributions :
- PremLeg, created in 2006, has sold three drug innovations for 337 million euros.
- ObsEva, launched shortly afterwards, is also working on new drug solutions.
- ObsEva was floated on the stock market Nasdaq in 2017.
Annevoie Water Gardens
Ernest, passionate about cultural heritage, acquired the Jardins d’Eau d’Annevoie in the province of Namur in 2017. It has expressed its desire to restore and reopen these historic spaces to the public. The Loumaye family plans to take up residence in the estate’s mid-18th-century château, to underline their commitment to the conservation of the estate’s heritage. and their assets estimated at €89,290,279
Affiliations and locations :
- Ernest Loumaye: Gynecologist, Pharmacy, Innovation
- Companies: PremLeg, ObsEva
- Location: Annevoie, Namur
- Area of interest: Late pregnancies, Pharmacology
Chateau Jardins d’Eau d’Annevoie
This commitment to medical progress and cultural preservation demonstrates Loumaye’s impact both in advancing women’s health and in enhancing Belgium’s heritage.
