| Claire Guebenne (07/12/1937-20/01/1975) | |
| Restricted to members | |
| Restricted to members | |
| Alain de Hemptinne (01/06/1959-13/09/1993) | |
| Restricted to members | |
| Guy de Hemptinne (21/03/1962-05/11/2005) | |
| Michelle de Hemptinne (12/05/1963-15/01/1976) | |
| Restricted to members | |
| Restricted to members | |
| Restricted to members | |
| Restricted to members | |
| Restricted to members | |
| Restricted to members | |
| Restricted to members | |
| Restricted to members |