| 馬名 | 性別 | 父 | 母 | 生年 |
|---|---|---|---|---|
| Rhinestone | 牝 | Royal Gem | Ethel Blume | 1950 |
| Royal Bay Gem | 牡 | Royal Gem | Bayadere | 1950 |
| Dark Star | 牡 | Royal Gem | Isolde | 1950 |
| Perfect Gem | 牝 | Royal Gem | Isolde | 1951 |
| Ermine Tail | 牝 | Royal Gem | Contrast | 1951 |
| Royal Fan | 牝 | Royal Gem | Pitcher | 1951 |
| Royal Walk | 牝 | Royal Gem | Stall Walker | 1952 |
| Norse Queen | 牝 | Royal Gem | Ene | 1952 |
| Zipdedo | 牝 | Royal Gem | Lady Heed | 1953 |
| Doc Eggers | 牡 | Royal Gem | Balla Tryst | 1953 |
| ロイヤルステイング | 牡 | Royal Gem | Little Sting | 1953 |
| Lady Gem | 牝 | Royal Gem | Bank Account | 1954 |
| Maia | 牝 | Royal Gem | Asterope | 1954 |
| Rose's Gem | 牡 | Royal Gem | Rose Bed | 1954 |
| Court Planting | 牝 | Royal Gem | Tea Olive | 1955 |
| Mystical Gem | 騸 | Royal Gem | Lyrical | 1955 |
| Gemayya | 牝 | Royal Gem | Pilayya | 1956 |
| Its Ann | 牝 | Royal Gem | Thidiot | 1956 |
| Carat | 騸 | Royal Gem | Deportment | 1956 |
| I Guess Not | 牝 | Royal Gem | Lady Dabney | 1956 |