It is thought that he may have been a monarch himself, with Urien ruling northern Rheged, and Llywarch ruling the south. In his 1953 book The Derbyshire Dales, Norman Price links Llywarch to Carl Wark near Sheffield.
It is believed that he might have been a monarch himself, with Urien ruling northern Rheged and Llywarch controlling the south. In his 1953 book "The Derbyshire Dales," Norman Price associates Llywarch with Carl Wark near Sheffield.