| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| St. Florian | br. | c | 1891 | St. Simon | Thoroughbred | Great Britain | ||
| St. Frusquin | br. | c | 1893 | St. Simon | Isabel | Thoroughbred | ||
| St. George | bay | c | 1789 | Highflyer | Eclipse mare | Thoroughbred | Great Britain | |
| St. George | black | c | 1883 | Cremorne | Thoroughbred | Great Britain | ||
| St. George mare | bay | f | 1802 | St. George | Abigail | Thoroughbred | Great Britain | |
| St. George-mare | f | 1803 | Thoroughbred | Great Britain | ||||
| St. Germanie | chestnut | f | 1913 | Germicide | Thoroughbred | Great Britain | ||
| St. Germans | bay | c | 1921 | Swynford | Hamoaze | Thoroughbred | Great Britain | |
| St. Helens Shadow | bay | f | 1993 | Septieme Ciel | Little Bar Fly | Thoroughbred | USA | |
| St. Hilaire | bay | c | 1891 | St. Simon | Distant Shore | Thoroughbred | Great Britain |