| Ejemplar | Hijos | Nietos |
Heywood Brownie   Heywood Demon x Lady Goggles |
Barney I I  Deodora Dreadnought (uk-usa) x Heywood Brownie |
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| Dr Kay Ragnar Rob x Heywood Brownie |
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| Harry (usa 1916) Deodora Dreadnought (uk-usa) x Heywood Brownie |
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| Heywood Tammany Deodora Dreadnought (uk-usa) x Heywood Brownie |
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| Heywood Trixie Ragnar Rob x Heywood Brownie |
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| Master Tyke Ragnar Rob x Heywood Brownie |
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| Patsy I X Deodora Dreadnought (uk-usa) x Heywood Brownie |
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| Richard Dreadnaught Deodora Dreadnought (uk-usa) x Heywood Brownie |
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| Simon Peter Ragnar Rob x Heywood Brownie |