| Ejemplar | Hijos | Nietos |
Heywood Demon   Heywood Marquis x Queen Margery (uk-usa) |
Heywood Brownie  Heywood Demon x Lady Goggles |
Barney I I Deodora Dreadnought (uk-usa) x Heywood Brownie |
| 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 |
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| Ragnar Regina Heywood Demon x Ragnar Muggsy |
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| Ragnar Rex Heywood Demon x Signora W (uk-usa) |
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| Ragnar Richard Heywood Demon x Signora W (uk-usa) |
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| Ragnar Rob Heywood Demon x Signora W (uk-usa) |
Dr Kay Ragnar Rob x Heywood Brownie |
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| Flora M Ragnar Rob x Lady Goggles |
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| Heywood Peggie Ragnar Rob x Lady Goggles |
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| Heywood Trixie Ragnar Rob x Heywood Brownie |
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| Jinks V Ragnar Rob x Lady Goggles |
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| Master Tyke Ragnar Rob x Heywood Brownie |
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| Simon Peter Ragnar Rob x Heywood Brownie |
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| Ragnar Rufus Heywood Demon x Ragnar Muggsy |