| 馬名 | 父 | 母 | 生年 | ファミリー |
|---|---|---|---|---|
| Little Rock | Trap Rock | Ethel Mason | 1913 | f12b |
| Rock On | Trap Rock | Avon | 1913 | f4p |
| The Reef | Trap Rock | Pyramid | 1914 | f2n |
| Prism | Trap Rock | Peccadillo | 1914 | f2n |
| Lucky Catch | Trap Rock | Lucky Lass | 1914 | f19 |
| Lucullite | Trap Rock | Lucky Lass | 1915 | f19 |
| Trasher | Trap Rock | Pedigree | 1915 | f3n |
| Shelving | Trap Rock | Shilda | 1915 | f12 |
| Destine | Trap Rock | Delusion | 1915 | f4f |
| Silesia | Trap Rock | Retained | 1918 | f8k |
| Glen Lass | Trap Rock | Limerick Lass | 1922 | f4i |
| Rock Man | Trap Rock | Lydia A. | 1923 | f20 |
| Saxatile | Trap Rock | Sweet Alyssum | 1924 | f23b |
| Paint Rock | Trap Rock | Cloak | 1924 | f8d |
| Super Ray | Trap Rock | Superlight | 1924 | f19 |
| Rockdale | Trap Rock | Margery Jaque | 1926 | f9c |
| Trap Star | Trap Rock | Star Emerald | 1928 | f29 |
| Emerald Star | Trap Rock | Star Emerald | 1929 | f29 |