Old Union xx (USA)
| Year of Birth | 1777 |
| Sex | horse |
| Colour | bay |
| Sire | Thornton's Shakespeare xx (USA) |
| Dam | |
| Damsire | |
| Breeder | |
| Birthplace |
Pedigree
| Old Union xx | Thornton's Shakespeare xx (USA) | Fearnought xx (GB) | Regulus xx (GB) |
Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| Beeder xx (USA) | horse | Old Union xx (USA) - Nonpareil Mare xx (USA) | ||||
| Hero xx (USA) | horse | Old Union xx (USA) - |