| Ejemplar | Hijos | Nietos |
Letchford Lassie   Hackney Rival x Letchford Lucy |
Lady Victoria (uk) Letchford Mason x Letchford Lassie |
Limehurst Dinah Rowcliffe Pilot x Lady Victoria (uk) |
Tufnell Challenger  Irish Challenger (uk-can) x Letchford Lassie |
Beeswing (uk) Tufnell Challenger x Jacksbridge Minnie |
|
Emwooll Challenger Boy (uk-usa)  Tufnell Challenger x Markham Countess |
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| Hefty Pixie Tufnell Challenger x Hefty Jean |
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| Tufnell Of Chance Letchford Mason x Letchford Lassie |