Llywelyn ap Gruffudd — the last native Prince of Wales — consolidated sole rule of Gwynedd by defeating and capturing his brothers Owain Goch and Dafydd at Bryn Derwin in Eifionydd. The battle was decisive and brief (lasting about an hour). Owain was imprisoned for twenty years. The victory freed Llywelyn to expand beyond Gwynedd — within two years he had swept through Powys and proclaimed himself Prince of Wales. Location is near Clynnog Fawr on the Llŷn Peninsula.
Aubrey generates in-depth historical research for any location in Britain — drawing on Domesday records, scheduled monuments, Victorian OS maps, geological data and archaeological archives to tell the full story of a place.
Research a location near Caernarfonshire