| Gen | Horse Name | DoB | Sex | Registration | Sire | Dam |
|---|---|---|---|---|---|---|
| 0 | DINAS BRIALLEN | Not Recorded | Mare | WSB 11344 FS1 | CAHN DAFYDD | WELLFIELD TULIP |
| 1 | CAHN DAFYDD | 1942 | Stallion | MATHRAFAL | GWENOGWEN | |
| 2 | MATHRAFAL | Not Recorded | Stallion | WSB 1629 | MAB-Y-BRENIN | POLL OF GOLFA |
| 3 | MAB-Y-BRENIN | Not Recorded | Stallion | WSB 1555 | MATHRAFAL BRENIN | HAFAN POLLY |
| 4 | MATHRAFAL BRENIN | Not Recorded | Stallion | WSB 873 | TROTTING RAILWAY II | GARNLYDAN DOLLY |
| 5 | TROTTING RAILWAY II | Not Recorded | Stallion | WSB 529 | No Record | No Record. |
| 6 | No Record | Not Recorded | Stallion |