| Gen | Horse Name | DoB | Sex | Registration | Sire | Dam |
|---|---|---|---|---|---|---|
| 0 | TREHARNE TOMBOY (IMP) | 1959 | Stallion | 46 | TREHARNE REUBEN | COED COCH BLODYN |
| 1 | TREHARNE REUBEN | Not Recorded | Stallion | WSB 20607 | COED COCH GLYNDWR | STOATLEY BRIGHT DAWN |
| 2 | COED COCH GLYNDWR | 1935 | Stallion | WSB 1617 | REVOLT | DINARTH HENOL |
| 3 | REVOLT | Not Recorded | Stallion | WSB 493 | LLWYN TYRANT | FLYAWAY |
| 4 | LLWYN TYRANT | Not Recorded | Stallion | WSB 207 | PRINCE OF CARDIFF | FLORENCE |
| 5 | PRINCE OF CARDIFF | Not Recorded | Stallion | WSB 84 | HAMLET PRINCE OF DENMARK | WELSH WONDER |
| 6 | HAMLET PRINCE OF DENMARK | Not Recorded | Stallion |