Margaret Prima (US)
| Year of Birth | 1910 |
| Sex | mare |
| Colour | ? |
| Sire | Peter the Great (US) |
| Dam | Margaret O. (US) |
| Damsire | Onward (US) |
| Breeder | |
| Birthplace |
Pedigree
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Margaret Prima
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Foals
| YoB | Name | Colour | Sex | Pedigree | Breeder | Birthplace |
|---|---|---|---|---|---|---|
| 1915 | Margaret Dillon (US) | mare | Dillon Axworthy (US) - Margaret Prima (US) |