| Name | Princess Martha (US) |
| YoB | 1953 |
| Sex | mare |
| Colour | |
| Sire | Darnley (US), 1940 |
| Dam | Martha Doyle (US), 1946 |
| Damsire | Volomite (US), 1926 |
| Breeder | |
| Birthplace |
| Colour | Gender | Pedigree | Breeder | ||
|---|---|---|---|---|---|
| 1960 | Floral Princess (US) | dark bay | mare | Florican (US), 1947 - Princess Martha (US), 1953 | Castleton Farm |
| 1967 | Gallant Prince (US) | horse | Speedy Scot (US), 1960 - Princess Martha (US), 1953 | ||
| 1968 | Scotch Martha (US) | mare | Speedy Scot (US), 1960 - Princess Martha (US), 1953 | ||
| 1971 | Highland Maiden (US) | bay | mare | Speedy Scot (US), 1960 - Princess Martha (US), 1953 | |
| 1975 | Flying Princess (US) | bay | mare | Arnie Almahurst (US), 1970 - Princess Martha (US), 1953 | Castleton Farm |