| Sons | Grand-sons | |
Ch Heywood Duchess     Carthusian Cerberus x Heywood Queen |
Albert Avenger   Lord Roundcroft x Ch Heywood Duchess |
Belvedere Floss  Albert Avenger x Dancing Betty (uk-can) |
| Lord Albert Albert Avenger x Dancing Betty (uk-can) |
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| Rydal Patch Albert Avenger x Dancing Betty (uk-can) |
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| Rydal Queen Albert Avenger x Dancing Betty (uk-can) |
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| Rydal Rose Albert Avenger x Dancing Betty (uk-can) |
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| Duchess Michalene Moston Michael (late St. Michael) x Ch Heywood Duchess |
Saltown Squire Moston Squire (uk-usa) x Duchess Michalene |
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| Woodcote Squire (uk-usa) Moston Squire (uk-usa) x Duchess Michalene |
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| Heywood Beauty (uk-usa) Stolid Joe x Ch Heywood Duchess |
Rodney Wizard Rodney Merlin (uk-usa) x Heywood Beauty (uk-usa) |
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| Heywood Marquis Lord Roundcroft x Ch Heywood Duchess |
Boltonia Beryl Heywood Marquis x Lancashire Rose |
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| Bright Pearl Heywood Marquis x Billie Burk (uk) |
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| Broadhurst Duke (uk-usa) Heywood Marquis x Broadhurst Sue |
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Carslake Rex  Heywood Marquis x Carslake Winnie |
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| Casilda Heywood Marquis x Clydevale Sensation |
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| Chance It (uk 1917) Heywood Marquis x Blen Quen |
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| Cymro Heywood Marquis x Carnation |
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| Delton Yukon Heywood Marquis x Euston Princess |
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| Duchess of Ambleside Heywood Marquis x Euston Princess |
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| Dundee Beauty (scot-can) Heywood Marquis x Airlie Beauty |
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| Eldon Marquis Heywood Marquis x Dinah (uk) |
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| England Reserve (uk-usa) Heywood Marquis x Abbey Hey Kit |
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| Euston Duchess Heywood Marquis x Nettie (uk) |
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| Euston Prince Heywood Marquis x Euston Princess |
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| Euston Princess Heywood Marquis x Nettie (uk) |
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Ch Failsworth White Duke  Heywood Marquis x Thornwood Queen Strathtay (uk-usa) |
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| Fair Girl Heywood Marquis x Miss Bility |
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| Gotham Bit Of Fashion (uk-usa) Heywood Marquis x Boulanger |
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| Gotham Queens Messade (uk-usa) Heywood Marquis x Sharples Nell |
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| Gurkha Girl Heywood Marquis x Bishops Gate Sita |
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| Heap Brindle Marquis (form Silver Marquis) (uk-usa) Heywood Marquis x Dolly (uk 1909) |
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Hewlett King Orry (uk-usa)  Heywood Marquis x Woodend Biddy |
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| Heywood Admiral Heywood Marquis x Lady Veto |
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| Heywood Bandit Heywood Marquis x Queen Margery (uk-usa) |
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| Heywood Connie Heywood Marquis x Queen Margery (uk-usa) |
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| Heywood Demon Heywood Marquis x Queen Margery (uk-usa) |
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| Heywood Doctress (uk-can) Heywood Marquis x Heywood Viscountess |
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Heywood Marco (uk-can)  Heywood Marquis x Molly Mc Nally |
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| Heywood Victoria (uk-usa 1910) Heywood Marquis x Polly Marsh |
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| Heywood Viscountess Heywood Marquis x Prouse |
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| Hillside Kit Heywood Marquis x Bandle |
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| I Be He Heywood Marquis x Kersal Baroness |
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| Judborn Trained Nurse (uk-usa) Heywood Marquis x Sharples Nell |
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| Kaiser-i-Hind Heywood Marquis x Bishops Gate Sita |
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| Kitty Carnation Heywood Marquis x Carnation |
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| Laburnum Best (uk-usa) Heywood Marquis x Laburnum Budget |
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| Lady Buttercup Heywood Marquis x Prouse |
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| Lady Daisy Heywood Marquis x Prouse |
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| Lady Heynell (uk-usa) Heywood Marquis x Sharples Nell |
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| Lennox Marquis Heywood Marquis x Carslake Winnie |
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| Little Hilda (scot-usa) Heywood Marquis x Clydevale Sensation |
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| Little Marquis Heywood Marquis x Bright Pearl |
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| Lord High Executioner Heywood Marquis x Clydevale Sensation |
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Lord Marquis  Heywood Marquis x Her Majesty |
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| Mackworth Marquis Heywood Marquis x Woodend Biddy |
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Marehouse Duchess  Heywood Marquis x Modest Maiden |
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| Marglis Heywood Marquis x Rambling Rose |
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| Miss Broke Heywood Marquis x Lancashire Rose |
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| Nell Merlin (usa-can 23866) Heywood Marquis x Strathtay Broadway Belle (uk-usa) |
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| Newington Prince (uk-can) Heywood Marquis x Galtee Lady |
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| Norwich Marquis Heywood Marquis x Norwich Queen |
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| Orrell Heywood (uk-usa) Heywood Marquis x Carnation |
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Overgreen Marquis (uk-can)  Heywood Marquis x Overgreen Duchess |
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| Pembroke Chief Heywood Marquis x Lady Melba (uk) |
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| Portland Marquis (uk-usa) Heywood Marquis x Nellie (1909) |
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| Queen Of Scots (usa) Heywood Marquis x Strathtay Broadway Belle (uk-usa) |
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Rathlea  Heywood Marquis x Sharples Nell |
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| Rockcliffe Uncle Sam (uk-usa) Heywood Marquis x Laburnum Budget |
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| Roseville Bracelet Heywood Marquis x Roseville Blossom |
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| Saltown Scrutator Heywood Marquis x Prouse |
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| Sara (uk) Heywood Marquis x Woodend Biddy |
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| Scribner Belle Heywood Marquis x Strathtay Broadway Belle (uk-usa) |
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| Silver Marquis (form Heap Bridge Marquis)(uk-usa) Heywood Marquis x Dolly (uk 1909) |
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| Stonewall Marquis (uk-usa) Heywood Marquis x Red Raddle |
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| Strathtay Baronet (uk-usa) Heywood Marquis x Carmen Queen |
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| Strathtay Little Shrapnel Heywood Marquis x Strathtay Broadway Belle (uk-usa) |
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| Strathtay Louisville Queen Heywood Marquis x Strathtay Broadway Belle (uk-usa) |
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| Ch Strathtay Thornwood Kitty (uk-usa) Heywood Marquis x Thornwood Queen Strathtay (uk-usa) |
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| Tawe Marquis (uk-usa) Heywood Marquis x Modest Maiden |
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| Thornwood Duchess Heywood Marquis x Bessie (uk) |
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| Topsy Of Only (uk-usa) Heywood Marquis x Prouse |
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| Torkington Model Heywood Marquis x Carmen Queen |
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| White Carnation Heywood Marquis x Damaris |
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| Winwick Chatterbox Heywood Marquis x Woodend Biddy |
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| Woodend Thaddius Heywood Marquis x Woodend Biddy |
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| Wroxham Kitty Heywood Marquis x Prouse |
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| Heywood Monarch (uk-usa) Moston Michael (late St. Michael) x Ch Heywood Duchess |
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| Heywood Victoria (uk) Lord Roundcroft x Ch Heywood Duchess |
Heywood Baron Flag Stone x Heywood Victoria (uk) |
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| Heywood Squire Woodcote (uk-usa) Crumpsall Squire (uk-usa) x Heywood Victoria (uk) |
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| Tecumseh Chief I I (uk-usa) Flag Stone x Heywood Victoria (uk) |
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Ch Kitty Royal (uk-usa)  Prince Albert (uk-usa 1897) x Ch Heywood Duchess |
Prouse Ch Melampus x Ch Kitty Royal (uk-usa) |
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| St Vincent Jr (usa 1910 Coleman) Melhorn Dana x Ch Kitty Royal (uk-usa) |
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| Lord Heywood (uk-usa) Lord Roundcroft x Ch Heywood Duchess |
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| Mobberley Menestrel Prince Albert (uk-usa 1897) x Ch Heywood Duchess |
Ch Melampus  Mobberley Menestrel x Broadlea Belle |
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| Old Square Minstrel Mobberley Menestrel x Mersham Midge |
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| Tyne Menestrel (uk-usa) Mobberley Menestrel x Mobberley Cinderella |
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| Woodhouse Nim Mobberley Menestrel x Soothill Daisy |
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| Wroxham Menestrel (uk-usa) Mobberley Menestrel x Trixie ( Lord) |
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| Rebyrn Michaeline (uk-usa) Moston Michael (late St. Michael) x Ch Heywood Duchess |
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| Redvales Duchess Stolid Joe x Ch Heywood Duchess |
Bertram Banker Jim Cerberus (uk-usa) x Redvales Duchess |
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| Dolly (uk 1909) Jim Cerberus (uk-usa) x Redvales Duchess |
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| Erlsdon Jim Ambush x Redvales Duchess |
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| Heywood Cerberus Jim Cerberus (uk-usa) x Redvales Duchess |
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Ch Silent Duchess (uk 1904)  Stolid Joe x Ch Heywood Duchess |
Maybank Mayor Hazelmere Prince x Ch Silent Duchess (uk 1904) |
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Wroxham Raisuli   Hazelmere Prince x Ch Silent Duchess (uk 1904) |
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Wroxham Silent Prince  Hazelmere Prince x Ch Silent Duchess (uk 1904) |
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Wroxham Venesta  Hazelmere Prince x Ch Silent Duchess (uk 1904) |