| Extended Pedigree of the New Forest Pony: SLIPALONG OF ST. ANDREWS S03398 LIVER CHESTNUT 1970 |
| Grand Sires and Dams | Great Grand Sires and Dams | Great Great Grand Sires and Dams |
| UNKNOWN | - |
| FOREST HORSE | - |
| UNKNOWN | - |
| Sire: | - |
| SLIPPER NS03518 |
| CHESTNUT 1952 |
| UNKNOWN | - |
| FOREST MARE | - |
| UNKNOWN | - |
| N A | - |
| FOREST HORSE | UNKNOWN |
| GOODENOUGH NS02900 | UNKNOWN |
| DARK BAY 1946 |
| FOREST MARE | UNKNOWN |
| UNKNOWN |
| Dam: |
| SHEILA XV NM10683 |
| DARK BROWN 1949 |
| ROWHILL LADDIE NS01172 | FOREST HORSE |
| SUNSHINE VII NM07169 | DARK BROWN 1920 | FOREST MARE |
| BLACK 1930 |
| ? ? | - |