| Ejemplar | Hijos | Nietos |
Molly Mc Nally   Carslake Rex x Hawcoat Judy |
Heywood Marco (uk-can)    Heywood Marquis x Molly Mc Nally |
Ancoats Molly Heywood Marco (uk-can) x Princess Daisy |
| Arrowdale Bill Heywood Marco (uk-can) x Suerida |
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| Arrowdale Monkey Heywood Marco (uk-can) x Suerida |
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| Auburncrest Sweet Dish Heywood Marco (uk-can) x Candover Lass Of Anoakia (uk-usa) |
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| Black Trilby Heywood Marco (uk-can) x Princess Katisha |
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| Brinnenger Heywood Marco (uk-can) x Princess Katisha |
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| Del Rosa Heywood Marco (uk-can) x Kokomo Lady |
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| El Valedo Mick Heywood Marco (uk-can) x Betsy Kroo |
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| Fern Lea Cutie Heywood Marco (uk-can) x Fern Lea Betty |
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Goytside Surprise (uk-can)  Heywood Marco (uk-can) x Littlewood Lassie |
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| Heywood White Countess Heywood Marco (uk-can) x Lady Patricia I I I (usa 1917) |
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Heywood White Knight  Heywood Marco (uk-can) x Lady Patricia I I I (usa 1917) |
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| Heywood White Marquis (uk) Heywood Marco (uk-can) x Hatherley White Queen |
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| La Fawn Heywood Marco (uk-can) x Ch Petrovia |
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| Lady Marco Heywood Marco (uk-can) x Betsy Kroo |
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| Marco Girlie Heywood Marco (uk-can) x Komono Lady |
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| Midwick Blaze Heywood Marco (uk-can) x Lady Patricia I I I (usa 1917) |
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| Midwick Countess Heywood Marco (uk-can) x White Rock Queen (uk-usa) |
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| Midwick Flame Heywood Marco (uk-can) x Silent White Flame |
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| Midwick Marco Heywood Marco (uk-can) x Silent White Flame |
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| Midwick Silent Lady Heywood Marco (uk-can) x White Rock Queen (uk-usa) |
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| Midwick Tenacity Heywood Marco (uk-can) x Lady Patricia I I I (usa 1917) |
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| Midwick Tuffy D Heywood Marco (uk-can) x Santell Queen |
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| Pat Moran Heywood Marco (uk-can) x Kokomo Lady |
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| Patrick O' Brian Heywood Marco (uk-can) x Princess Katisha |
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| Peggy (usa 1918 Dement) Heywood Marco (uk-can) x Betsy Kroo |
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| Peggy X V I I (usa) Heywood Marco (uk-can) x Betsy Kroo |
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| Princess Patricia V I (usa 1918) Heywood Marco (uk-can) x Lady Patricia I I I (usa 1917) |
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Purple Flashes  Heywood Marco (uk-can) x Ch Petrovia |
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| Putnam Manor Heywood Queen Heywood Marco (uk-can) x Candover Lass Of Anoakia (uk-usa) |
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| Salient White Dove Heywood Marco (uk-can) x Midwick Quail |
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| Salient White Teal Heywood Marco (uk-can) x Midwick Quail |
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| Sir Cedric Marco Heywood Marco (uk-can) x Suerida |
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| Warfleigh Royal Blue (uk-usa) Heywood Marco (uk-can) x Posey (uk) |