繁殖牝馬データ
Step Rock
1949年
| 産地 |
|---|
血統
| Rockefella 1941 | Hyperion 1930 | Gainsborough |
| Selene | ||
| Rockfel 1935 | Felstead | |
| Rockliffe | ||
| Bois de Boulogne 1943 | ||
5代血統内クロス
| 産地 |
|---|
| Rockefella 1941 | Hyperion 1930 | Gainsborough |
| Selene | ||
| Rockfel 1935 | Felstead | |
| Rockliffe | ||
| Bois de Boulogne 1943 | ||