| Sons | Grand-sons | |
Throston Peter   Eng CH Dunscar Draftman x Invincible Diana |
Throston Son O' Peter Throston Peter x Lolita (uk) |
England Dunscar Lassie (uk-can)   Throston Son O' Peter x Throston Duchess (uk-can) Throston Son O' Peter x Throston Duchess (uk-can) |
| Handly Imported Queen (uk-can) Throston Son O' Peter x Throston Duchess (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) Throston Son O' Peter x Throston Duchess (uk-can) |
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| Vermont Queen (uk-can) Throston Son O' Peter x Throston Duchess (uk-can) Throston Son O' Peter x Throston Duchess (uk-can) |