| Ejemplar | Hijos | Nietos |
Markham Supreme (uk-usa)    Lord Ludson x The Weaver |
Lady Supreme (usa)  Markham Supreme (uk-usa) x Peggy Pepper |
Miss Supreme Rockcliffe Cock O The Walk x Lady Supreme (usa) Rockcliffe Cock O The Walk x Lady Supreme (usa) |
| Peermont Patricia Rockcliffe Cock O The Walk x Lady Supreme (usa) Rockcliffe Cock O The Walk x Lady Supreme (usa) |
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| Markham Baroness Markham Supreme (uk-usa) x Peggy Pepper |
Declaration Doctor Cerberus x Markham Baroness Doctor Cerberus x Markham Baroness |
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| Irish Rose (usa 1919) Doctor Cerberus x Markham Baroness Doctor Cerberus x Markham Baroness |
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| Mickey Free Doctor Cerberus x Markham Baroness Doctor Cerberus x Markham Baroness |
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| Miss Independence (usa) Doctor Cerberus x Markham Baroness Doctor Cerberus x Markham Baroness |
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| Sergeant Cerberus Doctor Cerberus x Markham Baroness Doctor Cerberus x Markham Baroness |
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| Markham Okay Markham Supreme (uk-usa) x Pitland Majorie |
Brindilla (usa) Markham Okay x Lady Maud I I (usa) Markham Okay x Lady Maud I I (usa) |
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| Dons O' Kay Markham Okay x Markham Doris (uk-usa) Markham Okay x Markham Doris (uk-usa) |
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| Lucy Gray (usa) Markham Okay x Nora Cerberus Markham Okay x Nora Cerberus |
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| Peg Markham Markham Okay x Nova Cerberus Markham Okay x Nova Cerberus |
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| Sumerton Captain Markham Okay x Lady Maud I I (usa) Markham Okay x Lady Maud I I (usa) |