| 子 | 孫 | |
Heywood Queen   Katerfelto (uk-usa) x Heywood Trilby |
Ch Heywood Duchess   Carthusian Cerberus x Heywood Queen |
Albert Avenger   Lord Roundcroft x Ch Heywood Duchess Lord Roundcroft x Ch Heywood Duchess |
| Duchess Michalene Moston Michael (late St. Michael) x Ch Heywood Duchess Moston Michael (late St. Michael) x Ch Heywood Duchess |
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| Heywood Beauty (uk-usa) Stolid Joe x Ch Heywood Duchess Stolid Joe x Ch Heywood Duchess |
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| Heywood Marquis Lord Roundcroft x Ch Heywood Duchess Lord Roundcroft x Ch Heywood Duchess |
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| Heywood Monarch (uk-usa) Moston Michael (late St. Michael) x Ch Heywood Duchess Moston Michael (late St. Michael) x Ch Heywood Duchess |
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| Heywood Victoria Lord Roundcroft x Ch Heywood Duchess Lord Roundcroft x Ch Heywood Duchess |
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Ch Kitty Royal (uk-usa)  Prince Albert (uk-usa 1897) x Ch Heywood Duchess Prince Albert (uk-usa 1897) x Ch Heywood Duchess |
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| Lord Heywood (uk-usa) Lord Roundcroft x Ch Heywood Duchess Lord Roundcroft x Ch Heywood Duchess |
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| Mobberley Menestrel Prince Albert (uk-usa 1897) x Ch Heywood Duchess Prince Albert (uk-usa 1897) x Ch Heywood Duchess |
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| Rebyrn Michaeline (uk-usa) Moston Michael (late St. Michael) x Ch Heywood Duchess Moston Michael (late St. Michael) x Ch Heywood Duchess |
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| Redvales Duchess Stolid Joe x Ch Heywood Duchess Stolid Joe x Ch Heywood Duchess |
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Ch Silent Duchess  Stolid Joe x Ch Heywood Duchess Stolid Joe x Ch Heywood Duchess |
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| Magnetite (uk-usa) Carthusian Cerberus x Heywood Queen |
Bill Sykes V Magnetite (uk-usa) x Wychwood Reliable Magnetite (uk-usa) x Wychwood Reliable |
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| Bright Eyes I I (155354) Magnetite (uk-usa) x Brookmede Judy Magnetite (uk-usa) x Brookmede Judy |
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Clifton Lulu (uk-can)  Magnetite (uk-usa) x Princess Diatstone Magnetite (uk-usa) x Princess Diatstone |
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| Dolly ( Robertson) Magnetite (uk-usa) x Rowden Blue Bell Magnetite (uk-usa) x Rowden Blue Bell |
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| Hercules (1909) Magnetite (uk-usa) x Belleville Beatrice (uk-usa) Magnetite (uk-usa) x Belleville Beatrice (uk-usa) |
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| Lady Magnetite Magnetite (uk-usa) x Thornbury Mab (uk-usa) Magnetite (uk-usa) x Thornbury Mab (uk-usa) |
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| Maggienite Magnetite (uk-usa) x Belleville Beatrice (uk-usa) Magnetite (uk-usa) x Belleville Beatrice (uk-usa) |
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| Mahmoud Chefket Magnetite (uk-usa) x Wychwood Reliable Magnetite (uk-usa) x Wychwood Reliable |
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| St Vincent I I Magnetite (uk-usa) x Belleville Beatrice (uk-usa) Magnetite (uk-usa) x Belleville Beatrice (uk-usa) |
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| Stamboul Magnetite (uk-usa) x Princess Diatstone Magnetite (uk-usa) x Princess Diatstone |
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| Wychwood Caprice Magnetite (uk-usa) x Wychwood Reliable Magnetite (uk-usa) x Wychwood Reliable |