| Ejemplar | Hijos | Nietos |
Rockledge Hefty Duchess   Hefty Double I I x Blighty Beauty |
Rockledge Sirius Rockledge Repulse x Rockledge Hefty Duchess |
Lady Sunbarry Crewe So Commander Son Of Sunbarry (uk-usa) x Rockledge Sirius |
| Queen Charlotte (usa 1935) Crewe So Commander Son Of Sunbarry (uk-usa) x Rockledge Sirius |