weather proof and thief proof. The commote of Cibbwr/Kibbor was on land between Cefn Onn ridge and the coast, and most historians agree that Llys-faen was its administrative centre, although Roath has also staked a claim. There is now no indication of the actual whereabouts of the Llys Faen or Stone Court, although various theories have been advanced.

The earthworks at Graig Llwyn is held to be the oldest artificial feature in Lisvane,