| Name | Aileen Arion (US) |
| YoB | 1925 |
| Sex | mare |
| Colour | bay |
| Sire | Arion Guy (US), 1917 |
| Dam | Aileen Frisco (US), 1919 |
| Damsire | San Francisco (US), 1903 |
| Breeder | |
| Birthplace |
| Colour | Gender | Pedigree | Breeder | ||
|---|---|---|---|---|---|
| 1931 | Princess (US) | bay | mare | Guy Axworthy (US), 1902 - Aileen Arion (US), 1925 | |
| 1932 | Volo Arion (US) | bay | horse | Peter Volo (US), 1911 - Aileen Arion (US), 1925 | Walnut Hall Farm |
| 1938 | Aida (US) | mare | Scotland (US), 1925 - Aileen Arion (US), 1925 | Walnut Hall Farm |