Speculation (US) ATR-928
| Year of Birth | 1862 |
| Sex | horse |
| Colour | ? |
| Sire | Hambletonian (Rysdyk's) (US) |
| Dam | |
| Damsire | |
| Breeder | |
| Birthplace |
Pedigree
| Speculation | Hambletonian (Rysdyk's) (US) | Abdallah (US) | Mambrino xx (USA) |
| Amazonia (US) | |||
| Charles Kent's mare | Bellfounder (Jary's) (Norf. trotter) (GB) | ||
| One Eye xx (USA) | |||
Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| Kitty (US) | mare | Speculation (US) - ? | ||||
| Rosa B. (US) | mare | Speculation (US) - Elizabeth (US) | ||||
| Lilly S. (US) | mare | Speculation (US) - | ||||
| 1870 | Crown Point (US) | horse | Speculation (US) - | |||
| 1874 | Lady Earnest (US) | mare | Speculation (US) - | |||
| 1877 | Josephine (US) | mare | Speculation (US) - | |||
| 1878 | Gracie (US) | mare | Speculation (US) - | |||
| 1882 | Gracie S. (US) | chestnut | mare | Speculation (US) - Jenny (US) | A. B. Spreckles |