Rhain ap Cadwgan | Bleddyn Fardd | Bleddyn Bowen | Bleddyn ap Cynfyn |
In Wales Illustrated in a Series of Views by Henry Gastineau, published in 1810, it states: "Near the town are some remains of an ancient fortress called Castell Cadwgan, thought to have been erected by king Cadwgan, about the year 1148."