Bas RougeBeauceron Database
| Name | Lefort Christian |
| City | La Jonchere |
| 1st litter | 2018 |
| Last litter | 2020 |
| Dogs | 14 |
| Puppies / litter | 7.0 |
| Litters / year | 1.0 |
| Litters / bitch | 2.0 |
| Youngest dam (1st litter) | Isa de la Roche Montaigne · 4a 6m |
| Oldest dam (last litter) | Isa de la Roche Montaigne · 6a 7m |
| Studs | Bitches | |
| Total | 2 | 1 |
| Tested | 1 | 0 |
| 2020 | |
| 2018 |
| Name | Litters | 1st litter | Last litter |
| Isa de la Roche Montaigne | 2 | 2018 | 2020 |