Koert's Duke (10/31/2017-)
| Call name: | "Duke" |
| Gender: | M |
| Country of origin: | USA |
| Registration: | AKC SS02970307 |
| Breeder: | J E Mast |
| Owner: | Christine Koert |
| Eye clearance: | OFA GR-EYE24863/43M-VPI (6/21, A3) |
| Heart clearance: | OFA GR-ACA6590/39M-VPI |
| Elbow clearance: | OFA GR-EL47120M34-VPI |
Pedigree: