| Famille de Rohan - Lords and patrons | Sponsors of the chapel and castle in the 15th century. |
| Artisans anonymes - Painters of frescoes | Authors of the wall decorations late 15th-early 16th. |
| Érudits locaux (XIXe siècle) - Rediscoverers of the site | First to document the chapel after its abandonment. |
| Ministère de la Culture (1997) - Protective institution | Author of the inscription to historical monuments. |
| Associations patrimoniales (XXIe siècle) - Actors of preservation | Carriers of current restoration projects. |