| Sons | Grand-sons | |
Smallshaw Duchess   Moston Marvel x Queen Elizabeth (uk 1900) |
Mackworth Bertie (form Mackworth Albert) (uk-usa)    Thursfield Prince x Smallshaw Duchess |
Berdie Queen Mackworth Bertie (form Mackworth Albert) (uk-usa) x Beauty Queen (usa 1906) |
| English Gyp Mackworth Bertie (form Mackworth Albert) (uk-usa) x Gypsy May |
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| Hewlett Lassie Mackworth Bertie (form Mackworth Albert) (uk-usa) x Dundee Borealis (uk-usa) |
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Hewlett Tar Baby  Mackworth Bertie (form Mackworth Albert) (uk-usa) x Dundee Borealis (uk-usa) |
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| Hypatia Mackworth Bertie (form Mackworth Albert) (uk-usa) x Yankee Girl (usa 1907) |
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| Kewpie Mackworth Bertie (form Mackworth Albert) (uk-usa) x Beauty Queen (usa 1906) |
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| Royalcote Alberta Mackworth Bertie (form Mackworth Albert) (uk-usa) x Royalcote Susan |
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| Royalcote Lady Mackworth Bertie (form Mackworth Albert) (uk-usa) x Royalcote Susan |
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| Shepard Cleopatra Mackworth Bertie (form Mackworth Albert) (uk-usa) x Neky |