| Name | Duchess (US) |
| YoB | 1928 |
| Sex | mare |
| Colour | bay |
| Sire | McGregor The Great (US), 1915 |
| Dam | Molema (US), 1918 |
| Damsire | Moko (US), 1893 |
| Breeder | Walnut Hall Farm |
| Birthplace |
| Colour | Gender | Pedigree | Breeder | ||
|---|---|---|---|---|---|
| 1935 | Neva (US) | mare | Gaylworthy (US), 1925 - Duchess (US), 1928 | ||
| 1936 | Venus (S) | mare | Mr McElwyn (US), 1921 - Duchess (US), 1928 | ||
| 1949 | Kings Duchess (S) | bay | mare | Speed King (US), 1937 - Duchess (US), 1928 | Leon. C. Peterson-Brodda |