| Sons | Grand-sons | |
Marwell Shamrock   Blighty Bursley x Lady Cambridge |
Admiral Togo I I (can)  Marwell Shamrock x Moyer Girl |
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| Barmac Kirkland Marwell Shamrock x Hulme Gillylower |
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Barmac Susie  Marwell Shamrock x Hulme Gillylower |
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| Barmac Twenty Grand Marwell Shamrock x Hulme Gillylower |
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| Beautiful Lady (can-usa) Marwell Shamrock x Moyer Girl |
Beau Ideal Hulme Doctor x Beautiful Lady (can-usa) |
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| Golddust Hulme Doctor x Beautiful Lady (can-usa) |
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| Nellie Bly I I I (can) Hulme Doctor x Beautiful Lady (can-usa) |
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| Red Bill The Crovanspring x Beautiful Lady (can-usa) |
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| Belle O' Shamrock Marwell Shamrock x Painted Lady Of Ashton |
Major Stewart Larchmount White Man x Belle O' Shamrock |
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| Marwell Betty I I Larchmount White Man x Belle O' Shamrock |
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| Marwell Marina Larchmount White Man x Belle O' Shamrock |
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| Marwell Mariner Larchmount White Man x Belle O' Shamrock |
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| Betty Co Ed (can) Marwell Shamrock x Beauty Beresford |
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Blackburn Banker  Marwell Shamrock x Blackburn Queen |
Blackburn I Am Alone Blackburn Banker x Blighty Blanche |
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| Kaslo Admiral Jellicoe Blackburn Banker x Kaslo Saturdays Child |
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| Kaslo Betty Victoria Blackburn Banker x Kaslo Saturdays Child |
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| Kaslo Golden Miller Blackburn Banker x Ashton Little Miss |
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| Kaslo Rear Admiral Blackburn Banker x Kaslo Saturdays Child |
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| Kaslo Rex England Blackburn Banker x Kaslo Saturdays Child |
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| Blackburn Belle Marwell Shamrock x Blackburn Queen |
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| Blackburn Beulah I I Marwell Shamrock x Blackburn Queen |
Blackburn Beatrice Pressgang (can) x Blackburn Beulah I I |
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| Blackburn Beauty I I Pressgang (can) x Blackburn Beulah I I |
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| Blackburn Bessie Pressgang (can) x Blackburn Beulah I I |
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| Blackburn Bill Pressgang (can) x Blackburn Beulah I I |
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| Blackburn Bonny Gal Pressgang (can) x Blackburn Beulah I I |
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| Blackburn Lady Mac Pressgang (can) x Blackburn Beulah I I |
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| Blackburn Patricia Pressgang (can) x Blackburn Beulah I I |
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| Blackburn Brian Marwell Shamrock x Blackburn Queen |
Brians Buddy Blackburn Brian x Beauty Beresford |
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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 |
Duke Of Timmins Timmins Hefty x Blackburn Timmins Queen |
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| Porquis Prince Timmins Hefty x Blackburn Timmins Queen |
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| Bon Bacchante Marwell Shamrock x Bon Joan |
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| Bon Beau Ideal Marwell Shamrock x Bon Jean |
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| Bon Boadicea Marwell Shamrock x Bon Joan |
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| Bon Bonne Bouche Marwell Shamrock x Bon Joan |
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| Bon Bulova Marwell Shamrock x Bon Joan |
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| Bon Dominion Major Marwell Shamrock x Bon Joan |
Bon Caesar Bon Dominion Major x Bon Diana |
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| Bon Canopus Bon Dominion Major x Bon Diana |
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| Bon Clarice Bon Dominion Major x Bon Diana |
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| Bon Dreadnaught Bon Dominion Major x Lambton Lass |
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| Bon Duchess Of Windson Bon Dominion Major x Bon Diana |
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| Bon Lord Algrenon Bon Dominion Major x Bon Diana |
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Am CH Bon Penelope  Bon Dominion Major x Bon Diana |
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| Ch Bon Zada Bon Dominion Major x Rodoco Europa |
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| Lambton Brigadier Bon Dominion Major x Imogene |
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| Lambton Countess Bon Dominion Major x Lambton Lass |
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| Sylvan Abner Bon Dominion Major x Bon Folette |
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| Sylvan Chalky Bon Dominion Major x Bon Folette |
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| Sylvan Mickey Bon Dominion Major x Bon Folette |
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| Sylvan Susie Bon Dominion Major x Bon Folette |
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| Bon Sessue Marwell Shamrock x Bon Joan |
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| Bon Solitaire Marwell Shamrock x Bon Joan |
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| Bonhomie Recovery Marwell Shamrock x Bonhomie Mitzi |
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| Brian Boru I I I (can-usa) Marwell Shamrock x Moyer Girl |
Brian Boru Buddie Brian Boru I I I (can-usa) x Lady Chalmar |
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| Brian Boru Lassie Brian Boru I I I (can-usa) x Lady Chalmar |
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| Brian Boru Molly O Brian Boru I I I (can-usa) x Lady Chalmar |
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| Chow Boy Marwell Shamrock x Hulme Braw Lass |
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| Colonel Mac Marwell Shamrock x Lady Sessue |
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| Daisy May (usa 1934) Marwell Shamrock x Cheetham Belle |
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| Dismal Dinah Marwell Shamrock x Hulme Braw Lass |
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| Doleful Dora Marwell Shamrock x Hulme Braw Lass |
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| Drewstone New Deal Marwell Shamrock x Drewstone Up Sa Daisy |
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| Duke Of Toronto Marwell Shamrock x Blackburn Queen |
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| Glen Hal Becky Marwell Shamrock x Glen Hal Carbon Copy |
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| Glen Hal Chipper Snow Marwell Shamrock x Glen Hal Carbon Copy |
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| Glenrose Major Marwell Shamrock x Larchmount Orange Lass |
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| Hefty Painted Lady Marwell Shamrock x Painted Lady Of Ashton |
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| Hulme Viola Marwell Shamrock x Hulme Violet |
Barrister Beauty Parkholme Barrister (uk-can) x Hulme Viola |
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| Hulme Barrister Parkholme Barrister (uk-can) x Hulme Viola |
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| Hulme Blossom Parkholme Barrister (uk-can) x Hulme Viola |
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| Ima Dude Marwell Shamrock x Lodestone Dunscar Molly |
Gleedona Winkie Ima Dude x Marmadot Duchess |
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| Lord Nelson (usa 1935) Ima Dude x Lady Shamrock |
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| Patrician (usa 1935) Ima Dude x Lady Shamrock |
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| Royal Duke (usa 1935) Ima Dude x Lady Shamrock |
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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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| Kempston Lady Molly Marwell Shamrock x Painted Lady Of Ashton |
Kempston Buddy Maecliffe Prince Ranjie x Kempston Lady Molly |
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| Kempston Chum Maecliffe Prince Ranjie x Kempston Lady Molly |
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| Kempston Dan Maecliffe Prince Ranjie x Kempston Lady Molly |
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| Kempston Homebred Don Maecliffe Prince Ranjie x Kempston Lady Molly |
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| Kempston Lucky I I Maecliffe Prince Ranjie x Kempston Lady Molly |
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| Picc Kempstonian Ch Basford Ideal (uk-usa) x Kempston Lady Molly |
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| Kempston Royal Gipsy Marwell Shamrock x Painted Lady Of Ashton |
Kempston Gipsy Prince Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston Judy Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston King Billy Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston Laddie Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston Prince Royal Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston Prince Teddy Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston Royal Betty Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston Tringle Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston Tubby Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Kempston Tyke Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| Picc Jumbo Maecliffe Prince Ranjie x Kempston Royal Gipsy |
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| King Comas Marwell Shamrock x Sausy Sue |
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| King Richard (can 1931) 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 |
Peter Pan Canuck Jack Canuck (usa-can 1930) x Lady Connie Of Marmadot |
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| Lady Diana Of Marmadot Marwell Shamrock x Lady Meg Of Inglenook |
Starland Doctor Morovian Mutineer (uk-can) x Lady Diana Of Marmadot |
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| Starland Pat Morovian Mutineer (uk-can) x Lady Diana Of Marmadot |
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| Lady Peggles Lee I I Marwell Shamrock x Saucy Sue I I (can) |
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| Lady Queensborough Marwell Shamrock x Lady Sessue |
Buccaneer Shamrock Langthorne Buccaneer (uk-can) x Lady Queensborough |
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| Hulme Miss Prim Parkholme Barrister (uk-can) x Lady Queensborough |
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| Lady Kathryn Langthorne Buccaneer (uk-can) x Lady Queensborough |
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| Leaside Rambler Parkholme Barrister (uk-can) x Lady Queensborough |
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| Wheelers Biddy Langthorne Buccaneer (uk-can) x Lady Queensborough |
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| White Rajah (can) Langthorne Buccaneer (uk-can) x Lady Queensborough |
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| Lady Shamrock Marwell Shamrock x Painted Lady Of Ashton |
Lady Brit I I (can) White Solarium (uk-can) x Lady Shamrock |
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| Lord Nelson (usa 1935) Ima Dude x Lady Shamrock |
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| Patrician (usa 1935) Ima Dude x Lady Shamrock |
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| Royal Duke (usa 1935) Ima Dude x Lady Shamrock |
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| White Jude White Solarium (uk-can) x Lady Shamrock |
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| Larchmount Susie Marwell Shamrock x Lady Dinah Pete |
Beggar Girl Snoony Coldstream Yamoto x Larchmount Susie |
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| Coldstream Egg Em On Silent Avenger x Larchmount Susie |
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| Lady Pat V Silent Avenger x Larchmount Susie |
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| Prince Hall (usa) Coldstream Yamoto x Larchmount Susie |
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| Queen Ann V I Silent Avenger x Larchmount Susie |
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| Larchmount White Queen Marwell Shamrock x Lady Dinah Pete |
Larchmount Lorne Salson x Larchmount White Queen |
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| Larchmount Salson Salson x Larchmount White Queen |
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| Lord Rockingham Marwell Shamrock x Princess Pat I I I (can 1927) |
Barney Brownstone Lord Rockingham x Ogden Queen |
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| Blunderbuss I I I Lord Rockingham x Ogden Miss Christman |
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| Bubbling Over I I Lord Rockingham x Honey Girl (usa 1932) |
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| Field Adjutant Lord Rockingham x Queen Wrinkles |
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| Flower City Queen Lord Rockingham x Flower City Lady |
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| Leonell Arpeako Hesgard Lord Rockingham x Peggy O' Neal New York |
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| Ogden Hamilton Tiger Lord Rockingham x Ogden Miss Christman |
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| Sunny Morn (usa) Lord Rockingham x Ogden Miss Christman |
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| Tulin Rose Lord Rockingham x Queen Wrinkles |
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| Marmadot Buddy Marwell Shamrock x Lady Meg Of Inglenook |
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| Marmadot Duchess Marwell Shamrock x Lady Meg Of Inglenook |
Gleedona Winkie Ima Dude x Marmadot Duchess |
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| Marmadot Laddie Marwell Maple x Marmadot Duchess |
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| Marmadot Duke Marwell Shamrock x Lady Meg Of Inglenook |
Madam Queen I I (can) Marmadot Duke x Lady Pauline (can) |
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| Marmadot Garbo Marwell Shamrock x Lady Meg Of Inglenook |
Basford Arrival Ch Basford Ideal (uk-usa) x Marmadot Garbo |
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| Marmadot Marie Ch Basford Ideal (uk-usa) x Marmadot Garbo |
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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 |
Baron Munchausen (can) Marwell Maple x Wheelers Biddy |
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| Gleedona Beauty Marwell Maple x Lodestone Dunscar Molly |
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| Gleedona Big Shot Marwell Maple x Lodestone Dunscar Molly |
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| Gleedona Happy Boy Marwell Maple x Lodestone Dunscar Molly |
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| Gleedona Lady Marwell Maple x Lodestone Dunscar Molly |
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| Gleedona Sally Marwell Maple x Lodestone Dunscar Molly |
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| Gleedona Snowball Marwell Maple x Lodestone Dunscar Molly |
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| Maple Benny Boy Marwell Maple x Wheelers Biddy |
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| Marmadot Laddie Marwell Maple x Marmadot Duchess |
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| Wolcott Superior Marwell Maple x Wolcott Fawn Girl |
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| Marwell Peggy (can) Marwell Shamrock x Hostess Of Glen Manor |
Victor I I (can) Vindex Victory (uk-usa) x Marwell Peggy (can) |
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| Wolcott Red Mite Wolcott Superior x Marwell Peggy (can) |
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| Wolcott Rex Vindex Victory (uk-usa) x Marwell Peggy (can) |
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| Wolcott Victory Vindex Victory (uk-usa) x Marwell Peggy (can) |
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| Marwell Spot Marwell Shamrock x Hostess Of Glen Manor |
Baldwin Sweet Lass Marwell Spot x Baldwin Sweet Echo |
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| Dominion Pride Marwell Spot x Baldwin Sweet Echo |
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| Marwell Patchess Marwell Spot x Myrobella |
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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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| Mournful Mary Marwell Shamrock x Hulme Braw Lass |
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| Myrobella Marwell Shamrock x Hulme Braw Lass |
Marwell Patchess Marwell Spot x Myrobella |
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| Nifty Lad Marwell Shamrock x Lady Dinah Pete |
Dark Mike Nifty Lad x Ashland Dark Queen |
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| Niagara Prince Nifty Lad x Ashland Dark Queen |
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| Nifty Spot Marwell Shamrock x Lady Dinah Pete |
Ace High Flippy Nifty Spot x Miss Toronto I I |
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| Ace High Onyx Nifty Spot x Miss Toronto I I |
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| Ace High Snuffy Nifty Spot x Miss Toronto I I |
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| Ace High Susie Nifty Spot x Miss Toronto I I |
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| Ace High Tiptop Nifty Spot x Miss Toronto I I |
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| Vardona Pamella Nifty Spot x Larchmount Lady Betty |
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| Nifty White Prince Marwell Shamrock x Lady Dinah Pete |
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| Northern Smokey Marwell Shamrock x Lodestone Dunscar Molly |
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| Patricia Shamrock Marwell Shamrock x Hulme Violet |
Britz Danrock Hefty Son O' Dan x Patricia Shamrock |
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| Lady Marina Danrock Hefty Son O' Dan x Patricia Shamrock |
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| Patrick Danrock Hefty Son O' Dan x Patricia Shamrock |
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| Peggy I I I (can) Marwell Shamrock x Moyer Girl |
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| Picc Canuck Marwell Shamrock x Saucy Sue I I (can) |
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| Picc Red Demon Marwell Shamrock x Saucy Sue I I (can) |
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| Picc Red Diable Marwell Shamrock x Saucy Sue I I (can) |
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| Picc Red Rovonetta Marwell Shamrock x Saucy Sue I I (can) |
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| Piccadilly Bonnie Belle Marwell Shamrock x Sausy Sue |
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| Piccadilly Gwen Marwell Shamrock x Sausy Sue |
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| Piccadilly Miss Va Marwell Shamrock x Sausy Sue |
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| Piccadilly Snowball Marwell Shamrock x Sausy Sue |
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| Prince Charming I V (can) Marwell Shamrock x Blackburn Barbara |
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| Pulham Daniel Marwell Shamrock x Hulme Braw Lass |
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| Rayous Tippin Marwell Shamrock x Justso Kitty |
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| Rock Boy Marwell Shamrock x Hulme Braw Lass |
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| Silver Maid Marwell Shamrock x Hulme Violet |
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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) |
Bungo Squire Roberts x Sparkhill Daisy |
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| Haymans Patsie Squire Roberts x Sparkhill Daisy |
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| Kingsmount Queen Squire Roberts x Sparkhill Daisy |
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| Sparkhill Darkie Joe 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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| The Baron (can) Marwell Shamrock x Larchmount Orange Lass |
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| Tiger Shamrock Marwell Shamrock x Princess Pat I I I (can 1927) |
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| Violetta (can) Marwell Shamrock x Hulme Violet |
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| Wallys Kingston Lady Marwell Shamrock x Lady Jellicoe I I |
Wallys Iron Duke Parkholme Barrister (uk-can) x Wallys Kingston Lady |
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| Wallys Lady Marcia Parkholme Barrister (uk-can) x Wallys Kingston Lady |
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| Wallys Lady Sylvia Parkholme Barrister (uk-can) x Wallys Kingston Lady |
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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 |
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| Seven Gables Sailor Girl Ch Maecliffe Galleon Master x Ch Wallys Pony Girl |
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| Wallys Rascallion Marwell Shamrock x Lady Jellicoe I I |
Chief Pilot Wallys Rascallion x Maecliffe Maybelle |
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| Ronnoco Wallys Rascallion x Maecliffe Maybelle |
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| Roxy Girl Wallys Rascallion x Maecliffe Maybelle |
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| Wallys Wild Rose Marwell Shamrock x Lady Jellicoe I I |
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| Wellmar Bendigo Marwell Shamrock x Larchmount Nifty Lady |
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| White Prince I I (can) Marwell Shamrock x Moyer Girl |