Birka (RU)
| Year of Birth | 1901 |
| Sex | mare |
| Colour | black |
| Sire | Kulik (RU) |
| Dam | Denga (RU) |
| Damsire | Prostak (RU) |
| Breeder | |
| Birthplace |
Pedigree
| Birka | Kulik (RU) | ||
| Denga (RU) | Prostak (RU) | Chudilo (RU) | |
| Gildjanka (RU) | |||
Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1912 | Nedda (AH) | bay | mare | - Birka (RU) | W. Schlesinger & Co. | Wien, Nieder-Österreich |
| 1913 | Birka (AH) | black | mare | - Birka (RU) | Báró Haupt-Stummer Lipót | Tőkésujfalu, Kom. Neutra, Ungarn |
| 1914 | Muszka (AH) | dark bay | mare | Custer (F) - Birka (RU) | Báró Haupt-Stummer Lipót | Tőkésujfalu, Kom. Neutra, Ungarn |