| Involved breeders |
| ASO | Artem Sokolovskiy Артем СоколовскиЙ | (RU) |
| MHG | Mikhail Graschenko Михаил Грашенко | (BY) |
| PJ | Paul Jungels | (LU) |
| vdB | Johann & Iris van den Bongard | (DE) |
| TR | Thomas Rueppel | (DE) |
| AM | Teeltstation Insel Ameland | (NL) |
| CS | Christian Salau | (DE) |
| UG | Ulf Gröhn †2012 | (SE) |