Sonja (S)
| Year of Birth | 1905 |
| Sex | mare |
| Colour | ? |
| Sire | Bychok (RU), 1887 |
| Dam | Zarewna (S), 1897 |
| Damsire | Sapros (RU), 1881 |
| Breeder | |
| Birthplace |
Pedigree
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Sonja
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Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1916 | Vanja (S) | bay | mare | Bingen W. (S) - Sonja (S) |