| Generation 1 | Generation 2 | Generation 3 | Generation 4 | Generation 5 | Generation 6 | Generation 7 |
Viestel Bizerta  
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Omar Khayyam Of Lawsonia |
Houghton Coldstream Of Glendene |
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Silverlea Blossom Of Lawsonia  |
not available | not available | not available | not available | ||
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| Silverlea Boxer Ii Of Lawsonia |
not available | not available | not available | not available | not available | |
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| Silverlea Reeky Of Viestel |
Highgate Lithgo Jumbo |
Leodride White Man  |
Leodride Toreador  |
Eng Ch Roseville Barrystar   |
Ch Boltonia Barrister (uk-usa)   |
Eng CH Dunscar Draftman  |
Eng Ch Silent Jill  |
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| Roseville Beckie |
Roy Of Hart  |
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| Roseville Buzz Buzz |
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| Beamwood Beauty |
Roseville Beamer |
Ch Boltonia Barrister (uk-usa) |
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| Roseville Beckie |
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| Woodbank Kitty |
Eng CH Dunscar Draftman |
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| Old Hall Lady |
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| Grumpy (uk 1933) |
Sir Tranqull Grumpy |
Hefty Master Grumpy  |
Hefty Son O' Mike (uk-usa)  |
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| Hefty Tradition |
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| Katusha |
Eng Ch Irish Alaunt  |
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| Hefty Tradition |
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| Wozzle |
not available | not available | ||||
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| Lithgow Lady Owena |
not available | not available | not available | not available | ||
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| Bombshell Sally |
not available | not available | not available | not available | not available | |
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