| 馬名 | 父 | 母 | 生年 | ファミリー |
|---|---|---|---|---|
| Challenge Like | Challenger | Businesslike | 1945 | f1x |
| Busy Whirl | Whirlaway | Businesslike | 1946 | f1x |
| Busanda | War Admiral | Businesslike | 1947 | f1x |
| Auditing | Count Fleet | Businesslike | 1948 | f1x |
| His Duchess | Blenheim II | Businesslike | 1950 | f1x |
| Discriminate | Shut Out | Businesslike | 1954 | f1x |