Martense (US)
| Year of Birth | 1875 |
| Sex | mare |
| Colour | ? |
| Sire | General Knox (US) |
| Dam | |
| Damsire | |
| Breeder | |
| Birthplace |
Pedigree
| Martense | General Knox (US) | Vermont Hero (US) | Sherman Black Hawk (morgan) (US) |
Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1882 | Daphne (US) | mare | Jay Gould (US) - Martense (US) | |||
| 1884 | Speedaway (US) | bay | mare | Socrates (US) - Martense (US) | H. N. Smith |