| EDELWEISS | | | |
| MATHIQ | | | |
| DUFOUR | AGNES | 1964-10 | Partner with Unlimited Liability |
| DUFRESNE DE SAINT LEON | SABINE | 1964-09 | Partner with Unlimited Liability |
| LDS | BENOIT | 1963-10 | |
| LEON-DUFOUR | BENOIT | 1963-10 | Partner with Unlimited Liability |
| STEEG | FRANCOIS-XAVIER | 1963-03 | Partner with Unlimited Liability |