| Évêque de Grenoble (non nommé) - Transport of the relics of Saint Donat | Fleeing Arab invasions (Tradition). |
| Chanoines réguliers - Guardians of the relics of Saint Donat | Installed in the 10th century in the enclosure. |
| Archevêques de Vienne - Owners from 1289 | Management of the priory and chapel. |
| Jésuites du collège de Tournon - Acquirers in 1613 | Owners after the Wars of Religion. |
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