Gruffudd Fychan was Lord of Glyndyfrdwy and Lord of Cynllaith Owain. As such, he had a claim to be hereditary Prince of Powys Fadog, and was a member of the Royal House of Mathrafal. His son, Owain Gl
Coat of arms of Glyndyfrdwy, from which Gruffudd Fychan inherited the barony and estates
Plas Newydd, near Llangollen, in Denbighshire, with Powys Fadog's Castell Dinas Bran at the top of the hill
View towards Llansanfraid Bridge in Glyndyfrdwy in Wales