| Ejemplar | Hijos | Nietos |
Ch Lady Byng Challenger    Irish Challenger (uk-can) x Lady Beatty |
Beatty Challenger   Bronco Bill Challenger x Ch Lady Byng Challenger |
|
| Ben Challenger Bronco Bill Challenger x Ch Lady Byng Challenger |
||
| Ginty Mackworth Mc Cullough Mackworth x Ch Lady Byng Challenger |
||
| Peggy Challenger White Knut (uk-can) x Ch Lady Byng Challenger |
||
| Peggy O' Neill Bronco Bill Challenger x Ch Lady Byng Challenger |