Isinglass xx (GB)
| Year of Birth | 1890 |
| Sex | horse |
| Colour | dark bay |
| Sire | Isonomy xx (GB) |
| Dam | |
| Damsire | |
| Breeder | |
| Birthplace |
Pedigree
| Isinglass xx | Isonomy xx (GB) | Sterling xx (GB) | Oxford xx (GB) |
Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1898 | Sagitta xx (GB) | bay | mare | Isinglass xx (GB) - | ||
| 1901 | John O'Gaunt xx (GB) | bay | horse | Isinglass xx (GB) - | Jessica Cavendish Bentinck Sykes | |
| 1903 | Wombwell xx (GB) | bay | horse | Isinglass xx (GB) - Mrs. Butterwick xx (GB) | Duke of Portland |