| DE LESQUEN DU PLESSIS CASSO | LOUIS | 1944-01 | Manager |
| DE LESQUEN DU PLESSIS CASSO | GEOFFROY | 1972-05 | Partner with Unlimited Liability |
| DE LESQUEN DU PLESSIS CASSO | GABRIEL | 1984-05 | Partner with Unlimited Liability |
| DE LESQUEN DU PLESSIS CASSO | FREDERIC | 1975-03 | Partner with Unlimited Liability |
| DE LESQUEN DU PLESSIS CASSO | DOMITILLE | 1986-12 | Partner with Unlimited Liability |
| DE LESQUEN DU PLESSIS CASSO | CHARLES | 1977-04 | Partner with Unlimited Liability |
| DE LESQUEN DU PLESSIS CASSO | ADELAIDE | 1979-09 | Partner with Unlimited Liability |
| DE VASSELOT DE REGNE | MARIE | 1945-09 | Partner with Unlimited Liability |