| Henry de Busdorff - Master in 1445 | Directs the construction of the chestnut. |
| Philippe d’Esch - Master and Governor | Supervises the work (1526-1531). |
| François de Guise - French general | Teutonic hospice destroyed in 1552. |
| Vauban - Military engineer | Adds a secondary door in 1674. |
| Paul Tornow - German architect | Restore the door in 1891-1892. |
| Jean-Louis de Nogaret de La Valette - Governor of Metz | Blason discovered during restorations. |