Atherbram Monty
| Atherbram Gunner
| ENG Atherbram Prince | Eng Dancer of Riverside | ENG Tosca Dazzler | Jock of Riverside | Madeley Major |
| Dye of Agden |
| Tosca Biddy | EngSH Leecroft Minor |
| Finder (unr) |
| EngSH Trout of Riverside | Jock of Riverside | Madeley Major |
| Dye of Agden |
| Rhona | No information about the dam |
| No information about the sire |
| ENG Atherbram Jet | EngSH Leecroft Buxton | Leecroft Young Prince | Leecroft Prince |
| Dinah (unr H.R.Cooke) |
| Triumph Tess | No information about the dam |
| No information about the sire |
| Atherbram Biddy | Bank Barclay | Rounton Hector |
| Bank Biddy |
| Atherbram Belle | Sailor Prince |
| Rene |
| Rettendon Dido | Spar | Beau Brocade | Eng Dancer of Riverside | ENG Tosca Dazzler |
| EngSH Trout of Riverside |
| Springhouse Juno | No information about the dam |
| No information about the sire |
| Speck | Noddy of Riverside | ENG Tosca Dazzler |
| Dorfold Judy |
| EngSH Spark | Birchdale Jimmy |
| Spratt |
| Rettendon Dynamite | Tosca Bondsman | Blakedale Luke | No information about the dam |
| No information about the sire |
| Tosca Beauty | No information about the dam |
| No information about the sire |
| Splash | No information about the dam | No information about the dam |
| No information about the sire |
| No information about the sire | No information about the dam |
| No information about the sire |
Cemlyn
| Windle Don | Bryn Asaph Quickstep | Quick of Riverside | Broughton Vanguard | ENG Towerwood Vigour |
| Leecroft Darkness |
| Westward Molly | No information about the dam |
| No information about the sire |
| F.T. ENG Elwy Mary | ENG Dandie of Shipton | Darkie of Riverside |
| Bank Burr |
| Bibby (interbred) | Bryn Nigger (interbred) |
| Minafon |
| Trade | Bryn Asaph Rod | John of Bronwyfa | Victor of Bronwyfa |
| Mountain Duck |
| Elwy Doris | FT
ENG CH Toby of Riverside FT |
| Bibby (interbred) |
| Clicker | No information about the dam | No information about the dam |
| No information about the sire |
| No information about the sire | No information about the dam |
| No information about the sire |
| Windle Peggie | Quick of Riverside | Broughton Vanguard | ENG Towerwood Vigour | Holingborne Help |
| Towerwood Duchess |
| Leecroft Darkness | No information about the dam |
| No information about the sire |
| Westward Molly | No information about the dam | No information about the dam |
| No information about the sire |
| No information about the sire | No information about the dam |
| No information about the sire |
| EngFT Windle Popular | ENG Specialist | David | Talbot Corby |
| Graceful |
| EngSH Spark | Birchdale Jimmy |
| Spratt |
| Atherbram Biddy | Bank Barclay | Rounton Hector |
| Bank Biddy |
| Atherbram Belle | Sailor Prince |
| Rene |
Atherbram Bridget
| ENG Atherbram Prince
| Eng Dancer of Riverside | ENG Tosca Dazzler | Jock of Riverside | Madeley Major | Auditor of Ravenscroft |
| Cherry Blossom |
| Dye of Agden | No information about the dam |
| No information about the sire |
| Tosca Biddy | EngSH Leecroft Minor | Eng Longshaw Bruce |
| Leecroft Marjorie |
| Finder (unr) | No information about the dam |
| No information about the sire |
| EngSH Trout of Riverside | Jock of Riverside | Madeley Major | Auditor of Ravenscroft |
| Cherry Blossom |
| Dye of Agden | No information about the dam |
| No information about the sire |
| Rhona | No information about the dam | No information about the dam |
| No information about the sire |
| No information about the sire | No information about the dam |
| No information about the sire |
| ENG Atherbram Jet | EngSH Leecroft Buxton | Leecroft Young Prince | Leecroft Prince | Eng Longshaw Bruce |
| No information about the sire |
| Dinah (unr H.R.Cooke) | No information about the dam |
| No information about the sire |
| Triumph Tess | No information about the dam | No information about the dam |
| No information about the sire |
| No information about the sire | No information about the dam |
| No information about the sire |
| Atherbram Biddy | Bank Barclay | Rounton Hector | Rocket of Rounton |
| Rounton Madge |
| Bank Biddy | Rounton Hector |
| Hinto Mab |
| Atherbram Belle | Sailor Prince | No information about the dam |
| No information about the sire |
| Rene | No information about the dam |
| No information about the sire |
Atherbram Bess
| Atherbram Nimrod | EngSH Leecroft Buxton | Leecroft Young Prince | Leecroft Prince | Eng Longshaw Bruce |
| No information about the sire |
| Dinah (unr H.R.Cooke) | No information about the dam |
| No information about the sire |
| Triumph Tess | No information about the dam | No information about the dam |
| No information about the sire |
| No information about the sire | No information about the dam |
| No information about the sire |
| Atherbram Topsy | Bank Barclay | Rounton Hector | Rocket of Rounton |
| Rounton Madge |
| Bank Biddy | Rounton Hector |
| Hinto Mab |
| Atherbram Belle | Sailor Prince | No information about the dam |
| No information about the sire |
| Rene | No information about the dam |
| No information about the sire |
| Roland Peggy | Atherbram Victor | Eng Dancer of Riverside | ENG Tosca Dazzler | Jock of Riverside |
| Tosca Biddy |
| EngSH Trout of Riverside | Jock of Riverside |
| Rhona |
| ENG Atherbram Jet | EngSH Leecroft Buxton | Leecroft Young Prince |
| Triumph Tess |
| Atherbram Biddy | Bank Barclay |
| Atherbram Belle |
| Vale Nell | No information about the dam | No information about the dam | No information about the sire |
| No information about the sire |
| No information about the sire | No information about the dam |
| No information about the dam |
| No information about the sire | No information about the dam | No information about the sire |
| No information about the sire |
| No information about the sire | No information about the dam |
| No information about the dam |
