| Name | Young Portia (US) |
| YoB | 1856 |
| Sex | mare |
| Colour | |
| Sire | Mambrino Chief (US), 1844 |
| Dam | |
| Damsire | |
| Breeder | |
| Birthplace |
| Young Portia (US), 1856 | Mambrino Chief (US), 1844 | Mambrino Paymaster xx (USA) | Mambrino xx (USA), 1806 |
| Paymaster Mare xx (USA) | |||
| Eldridge Mare (US) | ? | ||
| ? | |||
| Colour | Gender | Pedigree | Breeder | ||
|---|---|---|---|---|---|
| - | Nora Lee (US) | mare | Woodford Mambrino (US), 1863 - Young Portia (US), 1856 | ||
| 1869 | Emblem (US) | mare | Tattler (US), 1863 - Young Portia (US), 1856 | ||
| 1871 | Childe Harold (US) | bay | horse | Harold (US), 1864 - Young Portia (US), 1856 | Woodburn Farm |
| 1873 | Harold Mambrino (US) | horse | Harold (US), 1864 - Young Portia (US), 1856 |