| 馬名 | 父 | 母 | 生年 |
|---|---|---|---|
| On a Broomstick | Garthorn | Sweet Freepet | 1988 |
| Near the Limit | Garthorn | Near Lyn | 1988 |
| Starthorne | Garthorn | Sweet Star | 1988 |
| Classic Intent | Garthorn | Sugar Del | 1988 |
| Terrorthorn | Garthorn | Terrorize | 1989 |
| Wiley and Wise | Garthorn | Wise and Happy | 1989 |
| Dr. Garthorn | Garthorn | Nurse Lyphard | 1989 |
| Covert Activities | Garthorn | Discreet Pleasure | 1989 |
| So Fortunate | Garthorn | Delicate Vine | 1989 |
| Believe the Knight | Garthorn | Class Night | 1989 |
| Garthorn's Heiress | Garthorn | Another Penny | 1989 |
| Believe in Sugar | Garthorn | Sugar Del | 1989 |
| Guidance | Garthorn | Holiday Dancer | 1989 |
| Chief Speaker | Garthorn | Speak Up Now | 1989 |
| Three Dreams | Garthorn | Tunefull Ann | 1989 |
| Duper | Garthorn | Moa | 1990 |
| G. Thorn | Garthorn | Tonka | 1990 |
| Minnekonda | Garthorn | Minnetonka | 1990 |
| Spirit of Racing | Garthorn | Olatha | 1990 |
| Honor Garthorn | Garthorn | Honor the Memory | 1990 |