| Name | Middletown (US) |
| YoB | 1860 |
| Sex | horse |
| Colour | bay |
| Sire | Hambletonian (Rysdyk's) (US), 1849 |
| Dam | Dam of Middletown (US) |
| Damsire | Young Vivian (US) |
| Breeder | Jefferson Post |
| Birthplace |
| Colour | Gender | Pedigree | Breeder | ||
|---|---|---|---|---|---|
| - | Grandam of Lady Beauvoir (US) | mare | Middletown (US), 1860 - | ||
| 1867 | Bay Middleton (US) | horse | Middletown (US), 1860 - | ||
| 1867 | Orange Blossom (US) | bay | horse | Middletown (US), 1860 - Nelly Post (US) | D. B. Irwin |
| 1868 | Robert Emmett (Lone Star) (US) | bay | horse | Middletown (US), 1860 - Trustus Webb (US), 1860 | D. B. Irwin |
| 1869 | Middletown Belle (US) | mare | Middletown (US), 1860 - | ||
| 1875 | Middletown Jr. (US) | chestnut | horse | Middletown (US), 1860 - Nelly Warner (US) | S. V. Warner |
| 1889 | Marinet (US) | bay | horse | Middletown (US), 1860 - Jetwood (US), 1879 | Speedwell Stock Farm |