| 馬名 | 性別 | 父 | 母 | 生年 |
|---|---|---|---|---|
| メイソンジュニア | 牡 | Mayson | アナアメリカーナ | 2014 |
| Happy Queen | 牝 | Mayson | Rhal | 2014 |
| Rosebride | 牝 | Mayson | Wedding Party | 2014 |
| Mayleaf Shine | 牝 | Mayson | Let Me Shine | 2014 |
| Mazyoun | 騸 | Mayson | Hypnotize | 2014 |
| Ted Said | 牝 | Mayson | Signorina Cattiva | 2014 |
| Springforth | 騸 | Mayson | Spirit Na Heireann | 2014 |
| Rosie Briar | 牝 | Mayson | Lighted Way | 2014 |
| Topmeup | 牝 | Mayson | Ambrix | 2014 |
| Zap | 騸 | Mayson | ムーングロウ | 2015 |
| Maypole | 牡 | Mayson | Constitute | 2015 |
| Laugh a Minute | 牡 | Mayson | Funny Enough | 2015 |
| Clubbable | 牝 | Mayson | Invitee | 2015 |
| Maybride | 牝 | Mayson | Wedding Party | 2015 |
| Ace Ventura | 騸 | Mayson | Ventura Highway | 2015 |
| Unveiling | 牝 | Mayson | Silkenveil | 2015 |
| Dance Diva | 牝 | Mayson | Dance East | 2015 |
| Hejrah | 牝 | Mayson | Harvest | 2016 |
| Miss Sabina | 牝 | Mayson | Some Diva | 2016 |
| Springwood Drive | 牝 | Mayson | Ocean Boulevard | 2016 |