| Geoffroy III de Joinville - Founder | Created the abbey in 1144 with his brother. |
| Guy II de Pierrepont - Bishop of Chalons | Brother of Geoffroy, sealed the charter. |
| Simon de Joinville - Benefactor (1205-1220) | Land donations to the Cistercian monks. |
| Jean de Joinville - Biographer of Saint Louis | Son of Simon, generous but in conflict. |