| Arnold VI de Sierck - Lord and protector of the Duchy | Strengthens the castle in 1431. |
| Thédoric de Werde - First written mentioner | Cite the castle in 1257. |
| Paul Tornow - Architect of the tower | Designed the tower in 1891. |
| Gustave Adt - Industrial and patronial | Search and beautification of the site. |
| Louis XIII - King of France | Order its destruction in 1634. |
| Pierre Ney - Revolutionary buyer | Receives the hill in 1789. |