| 子 | 孫 | |
Lassie (uk)   Tom Swift x Lady Violet (uk) |
Queenie (can 1917)  Silver Reflex (uk-can) x Lassie (uk) |
Lady Constance (can 23231) Mackworth Major (uk-can) x Queenie (can 1917) Mackworth Major (uk-can) x Queenie (can 1917) |
| Westleigh Pearl Sir Rodney (uk) x Lassie (uk) |
Tyldesley Lu Lu Jim Cerberus (uk-usa) x Westleigh Pearl Jim Cerberus (uk-usa) x Westleigh Pearl |