| 馬名 | 父 | 母 | 生年 |
|---|---|---|---|
| Lady Ruthex | Ruthless | Lady Ex | 1946 |
| Super Snipe | Ruthless | Taupiri | 1946 |
| Happy Medium | Ruthless | All Quiet | 1946 |
| Tupatiu | Ruthless | Lady Zephyr | 1947 |
| Felise | Ruthless | Balgowlah | 1947 |
| Jean | Ruthless | Joyous | 1947 |
| Coaltown | Ruthless | Ascoli | 1947 |
| Miss Ruthless | Ruthless | Red Cat | 1948 |
| Ruthless Sal | Ruthless | Sal | 1948 |
| Arawa | Ruthless | Foxola | 1948 |
| Rascoli | Ruthless | Ascoli | 1948 |
| Gendarme | Ruthless | Sal | 1949 |
| Erin Go Bragh | Ruthless | Duvach | 1949 |
| Beet | Ruthless | Passion Flower | 1949 |
| Rutillant | Ruthless | Molten | 1949 |
| Toi Toi | Ruthless | Blissful Lady | 1950 |
| Oragonetta | Ruthless | Oragon | 1950 |
| Intimate | Ruthless | Fleeting Fancy | 1951 |
| Sou'East | Ruthless | Light Fantastic | 1951 |
| Sally Mine | Ruthless | Sal | 1951 |