| Gen | Horse Name | DoB | Sex | Registration | Sire | Dam |
|---|---|---|---|---|---|---|
| 0 | LLANGYBI SHAN | Not Recorded | Mare | WSB 66015 | TWYFORD DUKE | NANTCOL HELEDD |
| 1 | TWYFORD DUKE | Not Recorded | Stallion | WSB 18954 | PARC DAFYDD | PARC DUCHESS |
| 2 | PARC DAFYDD | 1964 | Stallion | WSB 4656 | CAHN DAFYDD | PARC LADY |
| 3 | CAHN DAFYDD | 1942 | Stallion | MATHRAFAL | GWENOGWEN | |
| 4 | MATHRAFAL | Not Recorded | Stallion | WSB 1629 | MAB-Y-BRENIN | POLL OF GOLFA |
| 5 | MAB-Y-BRENIN | Not Recorded | Stallion | WSB 1555 | MATHRAFAL BRENIN | HAFAN POLLY |
| 6 | MATHRAFAL BRENIN | Not Recorded | Stallion | WSB 873 | TROTTING RAILWAY II | GARNLYDAN DOLLY |
| 7 | TROTTING RAILWAY II | Not Recorded | Stallion | WSB 529 | No Record | No Record. |
| 8 | No Record | Not Recorded | Stallion |