| Ejemplar | Hijos | Nietos |
Ch Boltonia Bulwark (uk-usa)     Kilburn Regal x Duchess Of Ambleside |
Bolton Pride  Ch Boltonia Bulwark (uk-usa) x Ruby (uk 1923) |
Duncan Pride  Bolton Pride x Maggie Duncan Bolton Pride x Maggie Duncan |
| Boltonia Banker Ch Boltonia Bulwark (uk-usa) x Rafon Raddie |
Canteen Dora Boltonia Banker x Madam Bulwark Boltonia Banker x Madam Bulwark |
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| Boltonia Beauty Ch Boltonia Bulwark (uk-usa) x Sally Winkers Nuggett |
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| Boltonia Bulwarkson Ch Boltonia Bulwark (uk-usa) x Boltonia Beryl |
Boltonia Buttress Fernstone (uk-usa) Boltonia Bulwarkson x Penryhn Molly Boltonia Bulwarkson x Penryhn Molly |
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| Homeland Silver Lining Boltonia Bulwarkson x Penryhn Molly Boltonia Bulwarkson x Penryhn Molly |
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| Horwich Victoria Boltonia Bulwarkson x Maggie Duncan Boltonia Bulwarkson x Maggie Duncan |
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Lord Langford (uk-can)  Boltonia Bulwarkson x Penryhn Molly Boltonia Bulwarkson x Penryhn Molly |
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| Tytherington Jewel Boltonia Bulwarkson x Nulli Secundi Madcap Boltonia Bulwarkson x Nulli Secundi Madcap |
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| Tytherington Lady Boltonia Bulwarkson x Nulli Secundi Madcap Boltonia Bulwarkson x Nulli Secundi Madcap |
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| Wardle Chance Boltonia Bulwarkson x Dolly Maybill Boltonia Bulwarkson x Dolly Maybill |
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| Brynhyfryd Bulwark Ch Boltonia Bulwark (uk-usa) x Lady Tams |
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| Brynhyfryd Smasher Ch Boltonia Bulwark (uk-usa) x Lady Tams |
Ash Lea Queen Brynhyfryd Smasher x Brynhyfryd Sweetheart Brynhyfryd Smasher x Brynhyfryd Sweetheart |
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| Brynhyfryd Heartsease Brynhyfryd Smasher x Brynhyfryd Sweetheart Brynhyfryd Smasher x Brynhyfryd Sweetheart |
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| Brynhyfryd Lady Ermine Brynhyfryd Smasher x Brynhyfryd Sweetheart Brynhyfryd Smasher x Brynhyfryd Sweetheart |
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| Brynhyfryd Mary Brynhyfryd Smasher x Brynhyfryd Sweetheart Brynhyfryd Smasher x Brynhyfryd Sweetheart |
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| Brynhyfryd Old Dutch Brynhyfryd Smasher x Brynhyfryd Sweetheart Brynhyfryd Smasher x Brynhyfryd Sweetheart |
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| Buster V (can) Brynhyfryd Smasher x Brynhyfryd Sweetheart Brynhyfryd Smasher x Brynhyfryd Sweetheart |
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| Lord Bulwark Brynhyfryd Smasher x Lady Tams Brynhyfryd Smasher x Lady Tams |
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| Monte Smasher Brynhyfryd Smasher x Maid Of Kent Brynhyfryd Smasher x Maid Of Kent |
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| Mush (can) Brynhyfryd Smasher x Maid Of Kent Brynhyfryd Smasher x Maid Of Kent |
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| Sweet Lady Bulwark Brynhyfryd Smasher x Lady Tams Brynhyfryd Smasher x Lady Tams |
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| Teddy I I (can-usa) Brynhyfryd Smasher x Lady Tams Brynhyfryd Smasher x Lady Tams |
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| Cimra (uk-can) Ch Boltonia Bulwark (uk-usa) x Penryhn Molly |
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| Cinema Duchess Ch Boltonia Bulwark (uk-usa) x Boltonia Brocade |
St Leger Ch Donachadh Ban x Cinema Duchess Ch Donachadh Ban x Cinema Duchess |
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| Failsworth White Squall Ch Boltonia Bulwark (uk-usa) x Biddy O'leary |
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| High Peak Lottie Ch Boltonia Bulwark (uk-usa) x Boltonia Brocade |
Hamliz Daisy (uk-can) Clanranald x High Peak Lottie Clanranald x High Peak Lottie |
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| Homely Sue Ch Boltonia Bulwark (uk-usa) x Saunter |
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| Kissmenow Ch Boltonia Bulwark (uk-usa) x Kish (late) Chesty Britannia |
Westwood Bess Sandfield Bobby x Kissmenow Sandfield Bobby x Kissmenow |
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| Lady Cheri Ch Boltonia Bulwark (uk-usa) x Lady Cutie |
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| Madam Bulwark Ch Boltonia Bulwark (uk-usa) x Somme Girl |
Canteen Dora Boltonia Banker x Madam Bulwark Boltonia Banker x Madam Bulwark |
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| Rabban Chief Ch Boltonia Bulwark (uk-usa) x Lady Tams |
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| Samuel Dial Ch Boltonia Bulwark (uk-usa) x Lady Tams |
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| Scotney Queen Ch Boltonia Bulwark (uk-usa) x Nellie Secundi Madcap |
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| Sedgley Independence Ch Boltonia Bulwark (uk-usa) x Sedgley Joan |
Roseville Blazer Sedgley Independence x Roseville Bewitcher Sedgley Independence x Roseville Bewitcher |
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| Sherbutt Whack'em Sedgley Independence x Roseville Bewitcher Sedgley Independence x Roseville Bewitcher |
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| Sophie Dial Ch Boltonia Bulwark (uk-usa) x Lady Tams |
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| Spookey (uk) Ch Boltonia Bulwark (uk-usa) x Saunter Molley |
Trixie (uk Adams) Spookey (uk) x Beckland Beauty Spookey (uk) x Beckland Beauty |
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| The Admiral (can) Ch Boltonia Bulwark (uk-usa) x Lady Tams |