| 子 | 孫 | |
Hefty Begum   Cyclops (1920) x Ashville Connie |
Hefty Son O' Mike (uk-usa)    Hefty Young Mike x Hefty Begum |
Astonian Hetty Hefty Son O' Mike (uk-usa) x Witton Queen Hefty Son O' Mike (uk-usa) x Witton Queen |
Brynhyfryd Gipsy Girl  Hefty Son O' Mike (uk-usa) x Lady Tams Hefty Son O' Mike (uk-usa) x Lady Tams |
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| Brynhyfryd Hefty Billy Hefty Son O' Mike (uk-usa) x Lady Tams Hefty Son O' Mike (uk-usa) x Lady Tams |
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| Brynhyfryd Hefty Princess Hefty Son O' Mike (uk-usa) x Lady Tams Hefty Son O' Mike (uk-usa) x Lady Tams |
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| Brynhyfryd Sweetheart Hefty Son O' Mike (uk-usa) x Lady Tams Hefty Son O' Mike (uk-usa) x Lady Tams |
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| Cora (uk 1925) Hefty Son O' Mike (uk-usa) x Ruby (uk 1923) Hefty Son O' Mike (uk-usa) x Ruby (uk 1923) |
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| Fernstone Hefty Mike Hefty Son O' Mike (uk-usa) x Brynhyfryd Nana Hefty Son O' Mike (uk-usa) x Brynhyfryd Nana |
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| Gentle Mary (uk 1921) Hefty Son O' Mike (uk-usa) x Eastham Marchioness Hefty Son O' Mike (uk-usa) x Eastham Marchioness |
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| Georgia Peach Stone Hefty Son O' Mike (uk-usa) x Newing Queen Hefty Son O' Mike (uk-usa) x Newing Queen |
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| Hefty Biddy Hefty Son O' Mike (uk-usa) x Hefty Pixie Hefty Son O' Mike (uk-usa) x Hefty Pixie |
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Hefty Master Grumpy  Hefty Son O' Mike (uk-usa) x Hefty Tradition Hefty Son O' Mike (uk-usa) x Hefty Tradition |
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| Hefty Success Hefty Son O' Mike (uk-usa) x Hefty Tradition Hefty Son O' Mike (uk-usa) x Hefty Tradition |
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| Miss Hefty Hefty Son O' Mike (uk-usa) x Brynhyfryd Nana Hefty Son O' Mike (uk-usa) x Brynhyfryd Nana |
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| Sesqui Queen Hefty Son O' Mike (uk-usa) x Newing Queen Hefty Son O' Mike (uk-usa) x Newing Queen |
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| Wild Wild Susan Hefty Son O' Mike (uk-usa) x Peggy M (usa) Hefty Son O' Mike (uk-usa) x Peggy M (usa) |
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| Kilburn Samson (uk-usa) Eng CH Cintra Sam x Hefty Begum |
Dejah Thoris Kilburn Samson (uk-usa) x Jutland Sara Kilburn Samson (uk-usa) x Jutland Sara |
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| Hefty Hopeful (uk-can) Kilburn Samson (uk-usa) x Fleet Tradition Kilburn Samson (uk-usa) x Fleet Tradition |
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| Hefty Tradition Kilburn Samson (uk-usa) x Jutland Sara Kilburn Samson (uk-usa) x Jutland Sara |
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| Keysoe Kilburn Samson (uk-usa) x Jutland Sara Kilburn Samson (uk-usa) x Jutland Sara |
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| Susan Dial Kilburn Samson (uk-usa) x Peggy Mae Dial (uk-usa) Kilburn Samson (uk-usa) x Peggy Mae Dial (uk-usa) |
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| Toodles Dial Kilburn Samson (uk-usa) x Peggy Mae Dial (uk-usa) Kilburn Samson (uk-usa) x Peggy Mae Dial (uk-usa) |