Startle (US)
| Year of Birth | 1867 |
| Sex | horse |
| Colour | ? |
| Sire | Hambletonian (Rysdyk's) (US), 1849 |
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Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1875 | Portia (US) | mare | Startle (US) - | |||
| 1877 | Risk (US) | black | mare | Startle (US) - Essie (US) | Robert Bonner | |
| 1880 | Mambrino Startle (Bonner's) (US) | bay | horse | Startle (US) - Jessie Kirk (US) | Robert Bonner |