Pedigree Certificate
Colby's Jack
| Parents | Grandparents | Great-Grandparents | GG-Grandparents |
| Duffy's Jack | mccarthy's blind pete | — | — |
| — | |||
| — | — | ||
| — | |||
| duffy's nell | connor's tony | connor's black & Tan | |
| conor's gyp | |||
| nagle's skip | quigg's boxer | ||
| whalen nell bitch | |||
| Duffy's Hannah | Duffy's Jack | mccarthy's blind pete | — |
| — | |||
| duffy's nell | connor's tony | ||
| nagle's skip | |||
| kennedy's blaze | — | — | |
| — | |||
| — | — | ||
| — |