| 馬名 | 父 | 母 | 生年 |
|---|---|---|---|
| El Lobo | Boxthorn | Easy Come | 1941 |
| Flashbox | Boxthorn | Night Flash | 1941 |
| Vista Miss | Boxthorn | Hexie | 1945 |
| Mental Cruelty | Boxthorn | 1947 | |
| Running Miss | Boxthorn | Lady Bos'n | 1948 |
| Short Thorn | Boxthorn | ショートシュリフト | 1948 |
| Miss Traffic | Boxthorn | Traffic Court | 1948 |
| Robert's Tip | Boxthorn | ショートシュリフト | 1950 |
| ナンシーシー | Boxthorn | Breakfast Time | 1950 |
| Bushthorn | Boxthorn | Sleepers Jinx | 1955 |