| Sons | Grand-sons | |
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) |
| Peermont Patricia Rockcliffe Cock O The Walk x Lady Supreme (usa) |
||
| Markham Baroness Markham Supreme (uk-usa) x Peggy Pepper |
Declaration Doctor Cerberus x Markham Baroness |
|
| Irish Rose (usa 1919) Doctor Cerberus x Markham Baroness |
||
| Mickey Free Doctor Cerberus x Markham Baroness |
||
| Miss Independence (usa 1917) Doctor Cerberus x Markham Baroness |
||
| Sergeant Cerberus Doctor Cerberus x Markham Baroness |
||
| Markham Okay Markham Supreme (uk-usa) x Pitland Majorie |
Brindilla (usa) Markham Okay x Lady Maud I I (usa) |
|
| Dons O' Kay Markham Okay x Markham Doris (uk-usa) |
||
| Lucy Gray (usa) Markham Okay x Nora Cerberus |
||
| Markham Superior Markham Okay x Lady Maud I I (usa) |
||
| Peg Markham Markham Okay x Nova Cerberus |
||
| Sumerton Captain Markham Okay x Lady Maud I I (usa) |