| Sons | Grand-sons | |
Marwell Shamrock   Blighty Bursley x Lady Cambridge |
Admiral Togo I I (can)  Marwell Shamrock x Moyer Girl |
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Beautiful Lady  Marwell Shamrock x Moyer Girl |
Beau Ideal Hulme Doctor x Beautiful Lady Hulme Doctor x Beautiful Lady |
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| Golddust Hulme Doctor x Beautiful Lady Hulme Doctor x Beautiful Lady |
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| Nellie Bly I I I (can) Hulme Doctor x Beautiful Lady Hulme Doctor x Beautiful Lady |
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| Betty Co Ed Marwell Shamrock x Beauty Beresford |
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Blackburn Banker  Marwell Shamrock x Blackburn Queen |
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| Blackburn Belle Marwell Shamrock x Blackburn Queen |
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| Blackburn Beulah I I Marwell Shamrock x Blackburn Queen |
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| Blackburn Brian Marwell Shamrock x Blackburn Queen |
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| Blackburn Bruno Marwell Shamrock x Blackburn Queen |
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| Blackburn Budget Marwell Shamrock x Blackburn Queen |
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| Blackburn Timmins Queen Marwell Shamrock x Blackburn Queen |
Porquis Prince Timmins Hefty x Blackburn Timmins Queen Timmins Hefty x Blackburn Timmins Queen |
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| Bon Dominion Major Marwell Shamrock x Bon Joan |
Am CH Bon Penelope  Bon Dominion Major x Bon Diana Bon Dominion Major x Bon Diana |
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| Ch Bon Zada Bon Dominion Major x Rodoco Europa Bon Dominion Major x Rodoco Europa |
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| Brian Boru I I I (can) Marwell Shamrock x Moyer Girl |
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| Colonel Mac Marwell Shamrock x Lady Sessue |
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| Duke Of Toronto Marwell Shamrock x Blackburn Queen |
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| Iron Duke Of Inglenook Marwell Shamrock x Lady Meg Of Inglenook |
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| Jackie Coogan Marwell Marwell Shamrock x Princess Pat I I I (can 1927) |
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| King Richard (can) Marwell Shamrock x Lady Sessue |
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| Lady Bessborough Marwell Shamrock x Lady Meg Of Inglenook |
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| Lady Connie Of Marmadot Marwell Shamrock x Lady Meg Of Inglenook |
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| Lady Diana Of Marmadot Marwell Shamrock x Lady Meg Of Inglenook |
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| Lady Queensborough Marwell Shamrock x Lady Sessue |
Buccaneer Shamrock Langthorne Buccaneer (uk-can) x Lady Queensborough Langthorne Buccaneer (uk-can) x Lady Queensborough |
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| Wheelers Biddy Langthorne Buccaneer (uk-can) x Lady Queensborough Langthorne Buccaneer (uk-can) x Lady Queensborough |
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| White Rajah (can) Langthorne Buccaneer (uk-can) x Lady Queensborough Langthorne Buccaneer (uk-can) x Lady Queensborough |
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| Larchmount Susie Marwell Shamrock x Lady Dinah Pete |
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| Larchmount White Queen Marwell Shamrock x Lady Dinah Pete |
Larchmount Lorne Salson x Larchmount White Queen Salson x Larchmount White Queen |
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| Larchmount Salson Salson x Larchmount White Queen Salson x Larchmount White Queen |
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| Marmadot Buddy Marwell Shamrock x Lady Meg Of Inglenook |
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| Marmadot Masterprice Marwell Shamrock x Lady Meg Of Inglenook |
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| Marmadot Prince Marwell Shamrock x Lady Meg Of Inglenook |
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| Marwell Ashlea Marwell Shamrock x Justso Kitty |
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| Marwell Betty Marwell Shamrock x Hostess Of Glen Manor |
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| Marwell Boy Marwell Shamrock x Hostess Of Glen Manor |
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| Marwell Maple Marwell Shamrock x Blackburn Queen |
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| Mike Sessue Marwell Shamrock x Lady Sessue |
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| Molly Shamrock Marwell Shamrock x Lady Sessue |
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| Mollys Peggy Marwell Shamrock x Moyer Girl |
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| Nifty Lad Marwell Shamrock x Lady Dinah Pete |
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| Nifty Spot Marwell Shamrock x Lady Dinah Pete |
Ace High Flippy Nifty Spot x Miss Toronto I I Nifty Spot x Miss Toronto I I |
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| Ace High Snuffy Nifty Spot x Miss Toronto I I Nifty Spot x Miss Toronto I I |
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| Ace High Tiptop Nifty Spot x Miss Toronto I I Nifty Spot x Miss Toronto I I |
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| Nifty White Prince Marwell Shamrock x Lady Dinah Pete |
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| Peggy I I I (can) Marwell Shamrock x Moyer Girl |
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| Prince Charming I V (can) Marwell Shamrock x Blackburn Barbara |
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| Rayous Tippin Marwell Shamrock x Justso Kitty |
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| Sir Rudyard Of Inglenook Marwell Shamrock x Lady Meg Of Inglenook |
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| Sir Sidney Of Marmadot Marwell Shamrock x Lady Meg Of Inglenook |
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| Sparkhill Daisy Marwell Shamrock x Lady Betty X I V (can) |
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| Sparkhill Tarzan Marwell Shamrock x Lady Betty X I V (can) |
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| Squire Dan Marwell Shamrock x Justso Kitty |
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| Strathearn Molly Marwell Shamrock x Moyer Girl |
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| Tiger Shamrock Marwell Shamrock x Princess Pat I I I (can 1927) |
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| Ch Wallys Pony Girl Marwell Shamrock x Lady Jellicoe I I |
Ch Seven Gables Husky Girl Ch Midwick White Knight x Ch Wallys Pony Girl Ch Midwick White Knight x Ch Wallys Pony Girl |
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| Seven Gables Sailor Girl Ch Maecliffe Galleon Master x Ch Wallys Pony Girl Ch Maecliffe Galleon Master x Ch Wallys Pony Girl |
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| White Prince I I (can) Marwell Shamrock x Moyer Girl |