| Clue | Source | Date |
|---|---|---|
| South Wales town named after a noblewoman murdered in the fifth century | The Times Specialist Sunday | 01 Sep 2024 |
| The "iron capital of the world" in the early 19th century | The Times Specialist Sunday | 28 Apr 2024 |
| Town near Heads of the Valleys Road in South Wales (English spelling) | The Telegraph General Knowledge | 11 Sep 2016 |