| 子 | 孫 | |
Throston Duchess (uk-can)   Kingsmoor Colonel x Stonesbreak Mona |
Ambler Wins Best Doctor I I (can) x Throston Duchess (uk-can) |
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England Dunscar Lassie (uk-can)  Throston Son O' Peter x Throston Duchess (uk-can) |
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| Handly Imported Queen (uk-can) Throston Son O' Peter x Throston Duchess (uk-can) |
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| Miss Betsy (uk-can) Throston Son O' Peter x Throston Duchess (uk-can) |
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| Throston Lady Doctor I I (can) x Throston Duchess (uk-can) |
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| Throston Lady Sally Doctor I I (can) x Throston Duchess (uk-can) |
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Throston Rex  Doctor I I (can) x Throston Duchess (uk-can) |
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| Vermont Queen (uk-can) Throston Son O' Peter x Throston Duchess (uk-can) |