| 馬名 | 父 | 母 | 生年 |
|---|---|---|---|
| Iraida | Pure Prize | Irwina | 2012 |
| Inculcada | Pure Prize | Irwina | 2013 |
| イリーサ | Pure Prize | Irwina | 2014 |
| Irisa | Pure Prize | Irwina | 2014 |
| Irenka | Pure Prize | Irwina | 2015 |
| Irwin | Seek Again | Irwina | 2018 |
| Irwani | True Cause | Irwina | 2019 |
| Isolation | Suggestive Boy | Irwina | 2020 |