| Mathilde de Thysebaërt - Private hotel sponsor | Wife of Villeneuve-Esclapon, construction initiator. |
| Marie Xavier Arthur de Villeneuve-Esclapon - Secretary General of Vaucluse | Initial owner, husband of Mathilde. |
| Louis Vouland - Industrial and collector | Buyer in 1927, legatee of the museum. |
| Joseph Fauchier - Faïencier de Moustiers | Author of rock polychrome decorations. |
| Pierrette Candelot (Veuve Perrin) - Faïencière à Moustiers | Specialist in small fire technology. |
| Gaspard Robert - Provencal farmer | Fine paste and inspired white enamels. |