| 馬名 | 性別 | 父 | 母 | 生年 |
|---|---|---|---|---|
| Formidable Flight | 牝 | Formidable | Gadfly | 1989 |
| Likely Contender | 牡 | Formidable | Lobmille | 1989 |
| Moondust | 騸 | Formidable | Feerie Boreale | 1989 |
| Nakupita | 牝 | Formidable | Bassita | 1989 |
| Power Lake | 牡 | Formidable | Laugharne | 1989 |
| Royal Rarity | 牡 | Formidable | Rise and Fall | 1989 |
| Cebu City | 騸 | Formidable | Much Too Risky | 1990 |
| Rioni | 牡 | Formidable | Rain Must Fall | 1990 |
| Trachelium | 牝 | Formidable | Penny Blessing | 1990 |
| Formidable Liz | 牝 | Formidable | Areej | 1990 |
| Quinsigimond | 牝 | Formidable | Quillotern | 1990 |
| Hard Task | 牝 | Formidable | Myth | 1990 |
| Zalafa | 牝 | Formidable | Zanata | 1990 |
| Never So Many | 牝 | Formidable | Butsova | 1990 |
| Red Admiral | 騸 | Formidable | Dancing Meg | 1990 |
| Lord Secret | 牡 | Formidable | Social Secret | 1991 |
| Takin | 牡 | Formidable | Tosca Rhea | 1991 |
| Lord Hunter | 牡 | Formidable | Parmigianina | 1991 |
| Little Ibnr | 騸 | Formidable | Zalatia | 1991 |
| Bassilia | 牝 | Formidable | Bassita | 1991 |